Pyranha Space Spray 1-10 HP, 2.5 gal

1-10 HP® Concentrate System Refills are insecticide refills for 55-gallon automatic spray systems. Developed over 40 years ago using the highest quality pyrethroids, HP is a premium formulation that has set the bar for effective automatic flying insect control in horse barns. It provides both quick knockdown and effective control against a broad range of harmful biting insects that include: Horn Flies, Deer Flies, Stable Flies, Bott Flies, Face Flies, Midges, Mosquitoes and more.