Virbac Knockout Area Treatment, 14 oz Spray is a flea control product that gives continuous protectiong for up to 120 days. Knockout Area Treatment kills adult fleas, flea larvae, and ticks. This flea spray can eliminate pests who are hiding in carpets, rugs, drapes, and pet bedding. Knockout Area Treatment works right side up. This item is considered hazardous to ship and can't be sent 2 day or overnight.