Prozap LD-44Z, 25 OZ, Premium Insect Fogger, For Quick Knock Down & Residual Crawling & Flying Insect Control, Contains .5% Pyrethrin & 4% PBO Synergist, Controls Flies, Mosquitoes, Gnats, Lady Asian Beetles, Roaches, & Spiders Along With 19 Other Insects, For Use In Barns, Stables, Milk Rooms, Kennels & Other Facilities, Premium Propellant & No Need To Shake Can.