Knockout ES Area Treatment, 16 oz is a flea spray for homes that contains Pyripoxyfen insect growth regulator to kill adult fleas and prevent flea larvae from maturing. Virbac Knockout ES is safe for carpets and upholstered areas. Knockout E.S. Area Treatment works upside down. This item is considered hazardous to ship and can't be sent 2 day or overnight.
The family pets have their own area of the house to hang out in and naturally fleas come with them. We use one of these every few months if we even suspect fleas are breeding in there. They vanish for a long time.
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