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Drain Flies

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Trapper LTD Mouse/Insect Glue Boards
4.5 out of 5 stars
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Trapper LTD is a non-poisonous cardboard glue trap that captures mice, roaches and insects on contact. Great way to monitor infestations.

DF 5000 Drain Gel
4 out of 5 stars
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DF 5000 Drain Treatment for cleaning and maintaining your drain.

Gentrol Aerosol IGR - 16 oz. can
4.5 out of 5 stars
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Aerosol containing IGR (Insect growth regulator) that disrupts pest development, preventing current and future infestations.

Invade Hot Spot - 16 oz. can
4 out of 5 stars
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InVade Hot Spot is a convenient spray foam that breaks down scum and organic matter.

Flyweb Fly Light
4 out of 5 stars
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Fly light designed for indoor use. Compact size plugs directly into a standard electrical outlet.

Drain Fly Kit
4 out of 5 stars
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Large drain fly kit treats multiple drains and includes an aerosol for controlling nuisance flies during treatment.

InVade Bio Drain
4.5 out of 5 stars
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Eliminate nasty drain odors, sugar snakes, and scum at the source with InVade Bio Drain.

Clean Air Purge III Metered Aerosol - 7.3 oz. can
4.5 out of 5 stars
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Metered aerosol for use in an aerosol dispenser for bathrooms, kitchens and other areas where flies and odors are a problem.

Drain Gel
4 out of 5 stars
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Drain treatment for organic buildup in sinks and drains where flies can breed. Great for Restaurants and kitchens.

Invade Bio Foam - 16 oz.
5 out of 5 stars
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InVade Bio Foam is a super concentrated foaming microbial/citrus liquid made to remove organic build-up, odors, and scum.

Invade SeptiTreat
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Natural Biological Treatment to Keep Septic Systems Functioning Properly

Clear Zone Double Impact Farm Fly Spray
5 out of 5 stars
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Clear Zone Double Impact Farm Fly Spray is formulated with two active ingredients and a synergistic to provide a quick knockdown of flying insects and residual activity that lasts for hours.

InVade Bio Bullet
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A slow dissolving solid block which contains premium, concentrated microbes for grease trap maintenance and other bio remediation applications.

InVade Bio Cleaner
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An odorless and chemical free cleaning agent perfect to use for a variety of applications and a wide range of indoor and outdoor areas.

InVade Bio Zap
5 out of 5 stars
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Bio Zap is a specially formulated cleaner which helps remove stains and eliminates organic odors without harsh chemicals or fumes.

InVade Bio Remediation
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InVade Bio Remediation is an organic, non-pathogenic, and biodegradable grease cleaner and drain treatment that provides exceptional grease trap maintenance and bio remediation for a wide range of applications. Also prevents costly build up of organic matter in mosquito and other misting systems.

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EcoClear is a pipe drain and septic cleaner that uses non toxic, natural bacteria that is scientifically proven to breakdown household waste in pipes, sewers lines and septic tanks


Drain Flies - also known as: moth flies; sewer flies; filter flies

At we provide the professional do-it-yourself drain fly control products and friendly expertise to help you solve your drain fly problem. Read on to learn more about drain fly identification, drain fly biology, how to get rid of drain flies, and drain fly control.

Drain Fly Identification Removal & Control

Drain Flies are one of several species of fly that can and will invade your home if given the opportunity. It gets its name from the fact that it thrives in damp environments such as drains and pipes. This dampness is most necessary during the larval stage of the insect’s development, so this is when it makes the most sense to focus your elimination efforts.

drain flydrain fly top view

  • Drain flies are tiny, only 1/5 to 1/6 inch in length

  • Body is dark or grayish in color, and appears “fuzzy” (densely covered with hair)

  • Wings appear moth-like and too large for body

  • Drain flies fly in a jerky, irregular patterns

  • Eggs are brown to cream in color, tiny in size, and laid in masses of 10 to 200

  • Antennae are long with 13 segments

Behavior & Habitat

  • Drain flies are most active in the evening when they congregate around sinks and drains.

  • Moist organic materials--such as the slime that accumulates on the side of bathroom and kitchen drains, sewage disposal beds, rain barrels, and garbage cans-- are the preferred living and breeding grounds of drain flies.

Feeding Habits

  • Drain flies feed on moist, organic materials such as decaying vegetation, and other microscopic plants and animals.

Life Cycle

  • Eggs planted in moist organic materials may hatch in as little as 32 to 48 hours at 70 degrees F.

  • Drain fly larvae reach reproductive maturity in 9 to 15 days.

  • Drain flies have a life cycle of 1 to 3 weeks, with adult living about two weeks before dying.


  • Drain flies tend to appear rather mysteriously and suddenly, multiplying quickly and becoming a nuisance by their numbers.

  • Drain flies originate in filth, and carry diseases that may possibly be transmitted to humans.

  • Drain flies do not bite.

  • The presence of drain flies in large numbers may cause or intensify bronchial asthma.

How to Get Rid of Drain Flies:

Simply cleaning out the drain that is affected can have a very beneficial effect on the population of flies, but it is almost never sufficient to completely eradicate the problem. If you’re serious about learning how to get rid of drain flies, you also need to employ a good Drain Fly killer that is approved for use against these pests. One such product is called Invade Hot Spot. There is also a gel that is designed to get deep into drains called DF 5000. Both of these products are very effective at getting rid of Drain Flies.

  1. Thoroughly coat inside of all drains with Drain Gel during down time (in a restaurant this would usually be at night) and repeat treatment nightly for one to two weeks. Coupled with good sanitation, this treatment is usually adequate to completely eliminate drain flies.

  2. Drain flies rest around the sink area during the day. Placing glue boards around infested drains near fly resting areas will capture most of the adult flies. You can also spray around the drain and sink with a residual aerosol such as Invader HPX. These products can help ease the infestation while the drain gel does its job.

See also: Drain Gel Treatment

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We sell professional do it yourself pest control (diy), exterminator and
extermination insecticide, pesticide, chemical and bug killer treatment
products to spray, eliminate and exterminate pests.

Many of our products are not available in stores
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