CYPER WP (Wettable Powder) 1 LB Effective long-term residual control of many of the most common insect pests including ants, roaches, crickets, spiders, scorpions, silverfish and more. Cyper WP controls pests for up to 3 months after being sprayed. Get the powerful active ingredient cypermethrin for effective long-term residual control of many of the most common insect pests including ants, roaches, crickets, spiders, scorpions, silverfish and more. Cyper WP controls pests for up to 3 months after being sprayed. Each Cyper WP tub contains 1 lb. of loose powder that is mixed with water to create 24-48 gallons of finished solution. A scooper is included for measuring. Cyper WP leaves a powdery film that is especially noticeable on dark surfaces. 1 tub yields 24-48 gallons. 1 gallon of finished solution is usually sufficient to treat a 2,000 sq. ft. home. Cyper WP is a residual insecticide concentrate with the active ingredient Cypermethrin. pest, pest control, pest control products,