Fully Automatic Insect Control For Flies, Mosquitoes, Gnats & Moths Set It Once And Forget It For A Full 30 Days Dispenser Protects Up To 6000 Cubic Feet The 60 Day Flying Insect Control Kit provides 60 days of immediate relief from any flying insect problems within an enclosed area. Ideal For Use In Dairy & Poultry Barns, Kennels, Farms, Food Processing Plants, Stores, Factories, Food Warehouses, Bottling Plants, Milk & Egg Handling Areas Of Dairies & Chicken Houses. Includes automatic wall dispenser and two 30-Day Metered Fly Spray refills. EPA registered * USDA authorized * F-1 rated