Syngenta - 74819B - Demon WP - Insecticide, Four 9.5g Packets Quick knockdown and long-lasting - 90+ day residual Can be used inside and out Size: 1 envelope contains four 9.5 gram water soluble packets Yield and mixing: one 9.5g packet mixed with 1 gallon of water covers a 2, 000 to 2, 500 sq.Ft. Home. Target pest: ants, aphidsc, Assassin bugs, boxelder bugs, California oakworm, centipedes, chiggers, Convenient packaging and easy-to-mix formulation are available in water-soluble packets Features low use rates that can provide pest knockdown in less than an hour Provides high insecticidal activity, long-lasting residual control and low volatility Easy-to-use formula dissolves quickly to create an ideal suspension that wont clog equipment Versatile enough to be used on both porous and non-porous surfaces, and can be used indoors as a crack-and-crevice application Ideal for clean-out of cockroaches, spiders and other pests in residential and commercial non-food handling areas