Sentry Home Yard and Kennel Spray kills ants, cockroaches, spiders, fleas and ticks (including the ticks which transmit Lyme disease). Sentry Home Yard and Kennel Spray kills pre-adult fleas and their hatching eggs for up to eight weeks. It is a water-based, non-straining product that has no oily residue. The 96 fl. Oz. Container can treat 750 square feet.