Mortein PowerGard DIY Indoor & Outdoor Surface Spray prevents insect infestations by killing cockroaches and ants for up to 9 months, and spiders for up to 6 months inside and outside the home. Allows easy access to hard to rEach places (up to 3m away for outdoor use). The expert's DIY Indoor & Outdoor Surface Spray. - Same technology used by professional pest control operators. - Flushes out insects from their hiding places. - Prevents the build up of spider webs. Not for use on termites. - Ideally apply entire contents as one treatment (covers 31m2) Mortein PowerGard DIY Indoor & Outdoor Surface Spray prevents insect infestations by killing cockroaches and ants for up to 9 months, and spiders for up to 6 months inside & outside the home. Prevents the build up of spider webs Same technology used by professional pest control operators. Flushes out insects from their hiding places. Allows easy access to hard to rEach places (up to 3m away for outdoor use). Stop bugs from coming in.