Demon WP (a.i. Cypermethrin 40%): A crack and crevice and/or spot treatment for residual and contact control of ants, carpenter ants, cockroaches, crickets, spiders, German cockroaches, scorpions, occasional invaders (firebrats, silverfish, centipedes, millipedes) and certain other insects.
This odorless wettable powder is the most popular insecticide concentrate used in general household pest control. Demon WP gives three to four months control of insect pests. Professional pest control operators use Demon WP in their quarterly and annual pest control accounts, in homes and businesses. Available in pre-measured water soluble packets and 1 LB bulk jars.
Active ingredient (Cypermethrin) also available in emulsifiable concentrate formulation (Demon EC, Cynoff EC) that leaves no visible residue, giving a 30 day residual indoors against household pests.
Cyper WP is your generic choice of Cypermethrin…40% wettable powder.
Demon WP Pack: Each foil envelope contains four water soluble packets and makes up to four gallons of odorless solution.