Kills bugs fast on contact and keeps killing with residual action indoors even after you spray, for up to four weeks. The easy-to-use spray can be applied to surfaces where ants, roaches and other listed bugs may be infesting. It leaves no lingering chemical odor, with a pleasant scent. Outdoor Fresh. Physical Form: Spray; Pest Type: Ants; Roaches; Silverfish; Spiders; Water Bugs; Capacity (Volume): 17.5 oz; Packing Type: Aerosol.