Justifly Feedthrough Home / Shop / Products Justifly Feedthrough $15.95 Home / Shop / Products Justifly Feedthrough $15.95 Model Number: ChaJustifly Justifly Feedthrough is an insect growth regulator end-use product for control of Horn fly, stable fly, House fly and face fly in the manure of cattle and calves. Maximum quantity exceeded Minimum purchase amount of 0 is required Maximum purchase amount of 0 is allowed 15.950 10000000 Categories: Animals (Horses, Chickens, Cows, Farm animals, Dogs, etc.), Insecticides/Pesticides Manufacturer: Champion Description