Steve from Harlingen, Tx writes
Can Gentrol Aerosol IGR be sprayed behind and under refrigerators to control German Roaches, I'm also using Suspend sc concentrate. And if so is there a residual with Gentrol.
Yes, Gentrol IGR Aerosol can be sprayed behind and under the refrigerator to control German Roaches. For roach control, you should repeat applications every 4 months.
Answer last updated on: 01/24/2014