Jason from Garden Grove, Ca writes
We're deciding how many vials to buy, and would like to know how long it lasts (not diluted or opened). (our maintenance guys are treating a serious infestation, and we know of another unit that is equally bad but not vacant yet.)
The shelf life of Gentrol IGR Concentrate is stored in a cool dry area will last 3 years.
Answer last updated on: 06/26/2014