raid concentrated deep reach fogger 1.5 ounce (pack of 1) raid raid concentrated deep reach fogger kills bugs where they hide and keeps killing with residual action for up to two months. treat an entire room (25’ x 25’ with an 8’ ceiling) with our penetrating bug-killing fog that reaches deep into hard-to-reach areas, cracks and crevices. kills a broad range of insects. designed for serious insect problems. continues exterminating for up to two months. one fogger covers up to 625 square feet. no worries with a non-staining formula that leaves no mess. penetrates into cracks, crevices and carpet fibers to seek out and kill bugs where they live, breed and hide.