Solo 451 Mist Blower


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4 out of 5 stars Rating: 4.1

22 Reviews | 31 Q&A



{ $699.99
  Size/Description Price/Ea. Qty  
Solo 451 Mist Blower mist blower (backpack) $699.99
Total Price: $0.00

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For large order quotes, please call us at 1-866-581-7378.

Solo 451 Mist Blower

The Solo 451 is brand new and replaces the older Solo 450 model.

This motorized mist blower features a 2-cycle, 66.5cc, 4.3HP low-emission Solo engine and fan system. Also featured on the Solo 451 is an ergonomic carrying frame and quick-release straps. The polyethylene tank with UV inhibitors has a capacity of 3.4 gallons. A 4-position liquid dosage control permits you to have a selectable output from 0.12 to 0.89 GPM.

You can use this mist blower in nurseries, orchards, vineyards, your home, or for mosquito control.

  • Equipped with 2-cycle, 66.5cc, 4.3HP Solo engine and fan system
  • Ergonomic carrying frame and quick-release padded straps
  • 3.4 gallon tank capacity
  • 4-position liquid dosage control allows selectable output from 0.12 to 0.89 GPM
  • Misting range is 40' horizontal and 35' vertical for hard-to-reach spraying areas


Product Documents

How to Assemble the Solo 451 Backpack Mist Blower:

How to Use the Solo 451 Backpack Mist Blower:

The main difference between the old 450 and the newer 451 model is the larger motor, the Solo 451 has a 66.5cc motor instead of the 53cc on the older 450.

Replacement parts that are available:

Solo Screw (#0018421)

Solo Screw M5X20 (#0018363)

Solo Ignition Coil Complete (#2300204)

Solo Exhaust Gasket (#2061103)

Solo Muffler (#2500739)


Rating Snapshot

5 stars   12
4 stars   6
3 stars   1
2 stars   0
1 star   3

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Average Customer Rating
4 out of 5 stars (22)

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Most Helpful Customer Reviews
  • 39 of 40 people found this review helpful:

    5 of 5 stars  Solo 451 Mosquito Fogger/Mist blower
    By Steve in Dowagiac, Michigan on 04/17/2012
    Verified Purchase

    Awesome machine!! Well worth the money if you live in an area where mosquitos make enjoying the pool or hot tub in the evening impossible. Last year I paid a major Pest Control company $100.00 a month to fog my property to control the mosquitos, it worked great but we were at the mercy of a company who was not prompt, missed appointments or rain delays = Mosquito re-infestation forcing us inside the house. I am now in control of my pest control thanks to, I purchaced a gallon of Talstar P concentrate to go with my new Blower/Mister and it appears to work wonderfully, I sprayed my yard 2 weeks ago and have not seen 1 mosquito since, that is saying something considering I live 1 block from a large lake in Southwest Michigan. I highly recommend the Solo 451 Blower and Talstar P insecticide, I received my order quickly, I highly recommend ordering from, I will definitely be a repeat customer.

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  • 39 of 41 people found this review helpful:

    3 of 5 stars  Compared to Sthil SR-450...
    By Patrick in Richmond, VA on 09/19/2012
    Verified Purchase

    I have used Solo and Sthil mistblowers for years in the pest control industry. For many years I leaned towards Sthil and the SR-420, but when the Sthil SR-450 hit the market and showed many major flaws (regular leaks, exhaust clogging) I begon to explore other options. I tried many other brands, before revisiting Solo and trying out this newer model. I would say that my biggest setback is the high price, although this website offered a killer deal. Even this price is $100 more expensive than the Sthil SR-450. That said, the Solo has never broken down on me. It runs a little rich, its a little louder than many others, but overall its a great unit if you are looking for an alternative to Sthil.

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  • 24 of 26 people found this review helpful:

    5 of 5 stars  Shale Ridge Farm LLC
    By Blair in Shamokin PA on 08/31/2011
    Verified Purchase

    The mist blower works as expected. No problems, so far. I also use Solo's backpack sprayers and have had many years of good service with them.

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  • 16 of 16 people found this review helpful:

    5 of 5 stars  Best Mistblower out there
    By Joseph in Springfield MO on 04/08/2014

    Awesome machine! It beats out the Stihl I own hands down, its far more comfortable and very simple to use. I find that I have slightly better spray performance with the Solo.

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  • 15 of 15 people found this review helpful:

    5 of 5 stars  Great Product
    By Mps in WI on 09/19/2012
    Verified Purchase

    Awesome product and even better customer service from DoMyOwnPestControl!! Thank you!

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Most Recent Customer Reviews
  • 6 of 9 people found this review helpful:

    1 of 5 stars  Wish I got the Stihl
    By Phil in farmington, UT on 04/11/2016

    Mine leaks. The little rubber boot under one side of the tank consistently lets chemical out and gets me wet. I wouldn't mind but I have to assume this stuff I am spraying isn't too healthy for humans. I wear goggles and respirators, and now a waterproof jacket...... which it still runs down and wets my legs. Going to sell mine and buy the Stihl

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  • 6 of 8 people found this review helpful:

    1 of 5 stars  DONT BUY THIS!!!!!!!
    By Stan in Union Grove, Al. on 08/06/2015

    Worst piece of junk I have ever owned. I spray for mosquitoes commercially. Bought this product after having issues with the Stihl SR 450. Day 1 second pull and the handle broke off the pull cord. Got it cranked and it ran so rough I had to immediately go to my mechanic and have him adjust carb. Day 2 spray stream is inconsistant. It changes about every 10 seconds. Almost like air volume varies up and down. After fifth yard the pull start broke. Now there is no resistance when trying to crank motor. Cord will not turn motor to crank. Day 3 Solo sits in garage and I am back to using the first Stihl I bought 6 seasons ago, the SR 420. I will take the problems with the SR 450 over this piece of junk anyday. Rating zero stars or maybe -1.

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  • 12 of 12 people found this review helpful:

    5 of 5 stars  Mosquito Free
    By Jeff in Memphis, TN on 01/14/2015
    Verified Purchase

    This works. It isnít cheap, but it works. I was rather hesitant to spend this kind of money, but my desire to use my backyard in the summer won out. We live in the Memphis, TN area, in a wooded lot with a lot of bushes: i.e. mosquito heaven. I would get multiple bites just walking to the mailbox and back, let alone when our three kids would play in the backyard. If we wanted to spend any time outside, we had to drench ourselves with bug spray, otherwise they feasted. I finally got fed up staring longingly at my backyard through the windows and started looking into ways I could control the mosquitoes in our yard. I bought one of those handheld propane foggers, and it sort of worked for a short time. There wasnít a residual, and the mosquitoes found us soon after. Local companies wanted up to $150/month to fog my yard, and I was just about to break down and do that when I figured that this fogger would pay for itself pretty quickly if I used it for just a couple years. Iím glad I did: mosquitoes are hardly a problem anymore in my backyard. This isnít a 100% solution for me, but we can deal with a bite or two every once in a while in order to go outside whenever we want without bug spray. Itís almost strange to go outside now without mosquitoes swarming us. If I go too long between treatments, the kids ask me to kill the bugs now. Iím still trying to find the right combination of concentrate to water, saturation of my bushes, frequency of fogging, and dosage setting on the fogger. It seems like the bug population starts to pick up after about 2-3 weeks, so Iím not sure if thatís me, or just the reality of where I live. The ďproblemĒ is that I only had to fog a handful of times (once I got it this past summer) in order to control the bugs, so I didnít have many opportunities to tweak how I fogged. The machine runs really well, and starts pretty easily. It is heavy: 4 gallons of water and fuel, on top of a 25 lbs engine and thatís 50+ lbs. Once you get it on your back itís comfortable, but it can be awkward trying to get it there. You also get an additional benefit of being able to use this to apply Talstar to the outside of your house too. I did that while I was treating the yard, instead of using a pump sprayer inside and out like I normally have and we havenít had any bugs inside. I canít speak to the longevity as I just got it this past summer. But, if you something to control the mosquitoes in your yard, this is it.

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  • 8 of 10 people found this review helpful:

    4 of 5 stars  Commercial Use
    By Maryland in germantown on 09/04/2014

    It gives great coverage but the settings are nuts. There are four settings for flow and I can't imagine a situation where you would use the 3rd or 4th setting. The 4th setting blew through the 3 gallon tank in under 2 minutes. I don'think the complaints about the weight are warranted but maybe that's because I am a bigger man.

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  • 10 of 10 people found this review helpful:

    4 of 5 stars  Good but a few things could be better
    By Homeowner in Arkansas on 07/16/2014

    Bought this primarily to spray all of the landscaped and other surrounding area around our house for mosquitoes. First the cons... Based on my experience with farm spraying and from reviews of others, I immediately bought the optional pump. I'm glad I bought it and in fact think it should be standard equipment. There is no way you will get an even spray volume distribution by the standard gravity feed unless you are spraying small plants that can be done with a low and constant nozzle height. And you can't spray the upper parts of tall plants or surfaces at all unless you have the pump. The pump also has a return line to the tank that serves to keep the spray solution mixed. This website doesn't have the optional pump listed, but informed me by email that it was available from them. I had already found it elsewhere in stock with easy automated ordering before I received the email reply from this site, and it arrived before the blower (but I was pleased with how quickly this site shipped the blower as well). Be aware that the optional pump is about $125 (delivered price). It also may be a bit of a challenge for some to install if you aren't at least somewhat of a handyman type. The other problem I encountered is the flex hose doesn't attach securely to the elbow. It slips over a barbed male nipple and is secured by a hose clamp. But the hose barbs are too small (hardly a barb at all) and it's hard to get the clamp tight enough (it's plastic and I was afraid of stripping the screw threads in the plastic or breaking the plastic band if I tightened the clamp any tighter). The first time of use the flex hose came off almost immediately. I put it back on and tightened the clamp tighter, and it still only lasted about half way through the first spray tank load before coming off again. So I put it back on, tightened the hose clamp, and then put two small screws through the flex hose and elbow nipple, adjacent to the hose clamp. That fixed the problem. Other than these issues, which I was satisfactorily able to overcome, I really like this blower. I've only had it about 2 weeks and have only sprayed everything twice (but multiple tank loads each time), so I can't speak first hand to longevity, but the engine seems to be well made, high compression, and starts on first or 2nd pull every time so far. I like that the spray tank and pump system is very easy to rinse/flush when done for the day.

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  • 7 of 7 people found this review helpful:

    5 of 5 stars  Mosquito Buster!!
    By Doc in Groesbeck, TX on 07/13/2014
    Verified Purchase

    I assembled it in 9 minutes. I watched the video prior to using it the first time and began the mosquito termination. I used the Bifen IT. We had a down pour about 90 minutes after application. Still no mosquitoes!!! And that was 3 weeks ago. Very pleased. I do recommend using the respirator I bought from you also. This "Mosquito Buster" is worth every dollar. We can enjoy our yard and gardens once again.

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  • 8 of 9 people found this review helpful:

    5 of 5 stars  Solo bug mister
    By Jeff in Rogers Minnesota on 06/24/2014
    Verified Purchase

    I could not have believed it if I did not see it myself. I live in the woods and bees and Mosquitos are the worst. I do not have a problem anymore. Best money I ever spent!!

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  • 12 of 12 people found this review helpful:

    5 of 5 stars  Solo 451
    By in Prairie Grove Il on 07/30/2013
    Verified Purchase

    Superb piece of equipment Covers my 1 acre property plus surrounding neighbors in about 10 minutes Really gets rid of the bugs

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  • 6 of 6 people found this review helpful:

    4 of 5 stars  Experimental Utilization
    By in Montgomery, AL on 07/16/2013

    I have used the mist blower to apply herbicide in 3 y o longleaf plantation to control wisteria. Considering that the surrounding vegetation is over head high, it does a pretty good job of getting the chemical out beyond what a backpack sprayer could do. I was concerned about the weight but it has been manageable. Had to play around with which setting to use to get enough chemical out, but it seems ok. Unit runs good and you can tell it was build by the German's with the consumer or user in mind.

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  • 13 of 14 people found this review helpful:

    4 of 5 stars  Satisfied
    By in Grand Rapids MI on 06/06/2013
    Verified Purchase

    I went with the Solo 451 after reading the reviews about other brands. The unit works good but both straps have broken within 2 weeks of use. Solo was very good about sending new parts out without a question. I hope this is a continual problem.

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Most Helpful Q&A's

06/20/2013 Sue from Edgartown, Ma

QWe've just purchased a Solo 451 backpack mist blower from you. What is the best solution for mosquito control?

AOur best recommendation for mosquito control is the Talstar P. It is a great safe insecticide that can be used in a wide variety of areas to control mosquitoes as well as a plethera of other insects. The Talstar is used at the rate of 1 ounce per gallon of water so you would need 3 ounces for the 3 gallon tank of the Solo 451 unit. Concentrate your spray on areas where mosquitoes are more prone to harbor, like nearby bushes and dense foliage of trees that can hold moisture under the leaves.

9 of 11 people found this answer helpful.
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06/01/2013 Mike from Montgomery, Al

QHas the Solo 451 been tested or used to apply herbicides in forestry applications?
Specifically invasive species such as Kudzu, etc. using Triclopyr or Transline, etc.

AWe contacted Solo and they said that any herbicide or insecticide can be used in the Solo unit. So any product that includes Triclopyr or any other ingredient that would be diluted with water in the tank will work fine.

6 of 6 people found this answer helpful.
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05/07/2015 Travis from Minneapolis, Mn

QDo you sell the liquid booster pump for the Solo 451? It is Solo part number 44 00 235.
I would like to purchase the Solo 451 soon to treat 25 15" spruce trees. I spoke with Solo and they said I would need to purchase the optional liquid booster pump to achieve the height to reach the upper portion of the trees. I would like to purchase this liquid booster pump at the same time I purchase the mist blower. Thanks!

AYes, we do offer the Liquid Booster Pump for Solo 451 Part # 44 - 00 - 235 for $140.03 however, it is a special order item and needs to be purchased by phone with one of our sales representatives. Please give us a call at 866-581-7378.

3 of 3 people found this answer helpful.
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05/29/2014 Fabio from Lake Barrington

QTalastar P vs Bifen IT
I just got a response from another question suggesting this Solo 451 product along with Bifen IT. In all recommendations I reviewed on this website it is recommended Talstar P as safer product. I understand Bifen is very toxic. Can you please explain the differences between both products? My property has a natural pond in the back (200 ft from the house) and it is a wooden area. Thanks

ATalstar P and Bifen IT are essentially the same product but made by different manufacturers. Bifen IT is the low cost, generic version of Talstar with the same efficiency. Talstar P and Bifen IT both share the benefit of being a low toxic option with minimal dermal toxicity. However, since you are close a pond we would recommend using EcoVia EC which is a safe, natural, residual insecticide that can be safely used around bodies of water without harming aquatic life.

3 of 4 people found this answer helpful.
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08/23/2012 Chris from Los Angeles

QCan use the Solo 451 Mist with insecticide like Riptide 5.0% Pyrethrin ULV for cockroaches control?

AYou can use Riptide in the Solo 451 but it must be used outdoors only. Only roaches that are directly contacted by the wet spray will be killed.

3 of 6 people found this answer helpful.
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Most Recent Customer Questions

07/21/2015 Rob from Bellefontaine, Oh

QIs the Solo 451 the correct product for acreage treatment (7 acres) of mosquitoes ?
The area has small natural spring lots of mosquitoes and deer flies.


The Solo 451 Mist Blower is a 4 gallon backpack sprayer. This would work for seven acres, however, you will be doing a lot of walking.

1 of 1 people found this answer helpful.
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06/12/2015 Jack from Abington Ma

QWhen would you suggest purchasing the additional pump for the Solo 451?

AWe would suggest buying the booster pump when you are wanting to reach higher than the Solo 451 blows. The general misting range is 40' horizontal and 35' vertical for hard-to-reach spraying areas

1 of 1 people found this answer helpful.
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06/05/2015 Arnold from Jasper Mn 56144

QCan the Solo 451 apply dust insecticides?
I would like to buy a high end gasoline engine powered back pack sprayer that could also be used to apply dry powders to vegetation, such as diatomaceous earth - if such a thing is available.

AWe are not aware of a backpack sprayer that will apply a liquid and dust. If you locate one, please let us know and we can try and make it available for you. We apologize for this inconvenience.

1 of 3 people found this answer helpful.
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03/19/2015 Gregg from Bridgehampton, Ny

QCan the also Solo 451 Mist Blower be used to apply granulars/seeds?

ANo, the Solo 451 Mist Blower can only disperse water based liquids not granules or seeds of any kind. We do carry spreaders for applying granules.

1 of 1 people found this answer helpful.
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12/31/2014 Glenda from Atlanta, Ga

QWhich product(s) do you recommend for both MOSQUITO and FLEA control with the Solo 451 Mist Blower?

AWe would recommend Bifen IT insecticide mixed with Nyguard IGR for both mosquitoes and Flea control. You would simply mix 1 oz of Bifen IT with 12 mL of NyGuard IGR per gallon of water to kill and prevent mosquitoes and fleas from reproducing. 

2 of 2 people found this answer helpful.
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11/03/2014 Sean from Auburn, Nh

Qcan it be used as a leaf blower

AAccording page 5 of the Solo 451 Mist Blower label, this machine also enables the removal of leaves, grass, paper, dust or snow, e.g. in gardens, sports stadiums, parking lots or driveways; Do When used as a sprayer -- without filling –--without a liquid pump. Please contact Solo directly at 757-245-4228 for instructions on how to convert the sprayer.

1 of 1 people found this answer helpful.
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07/30/2014 Scott from Pensacola, Fl

QSolo 451 Service
Interested in purchasing Solo 451 but want to know how hard it would be to get it serviced if required.

AWe would recommend you contacting Solo directly in order to find an authorized dealer that services the Solo 451. They would be able to tell you if there is an authorized service center in your area. Their phone number is : 1-800-765-6462.

1 of 1 people found this answer helpful.
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04/20/2014 Frank from Ann Arbor, Michigan

QFor Mosquitoes at 1oz Talstar per Gal water what should the GPM be set at?

AThere is no specific recommendation for GPM when treating mosquitoes. GPM all depends on how fast you walk and your personal preference.

2 of 3 people found this answer helpful.
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07/05/2013 Robert from Millville Massachusetts

QWhat do you recommend for a suitable replacement to talstar for mosquito control

AWe would like to better be able to answer your question. Please tell us why Talstar P is not an option for you.

0 of 4 people found this answer helpful.
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06/14/2013 Steve from Huntsville, Al

QWhat do you suggest for mosquito control to be used in this equipment?
Looking for something safe yet effective.

AOur number one recommendation for mosquito treatment with the Solo 451 is Talstar. In fact we have put a mosquito control kit together with both of these items.

1 of 1 people found this answer helpful.
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