Since 1918. 2 traps + 2 refills. 4 uses. No zone ready-to-use. No mixing required. Up to a 120 day supply. Each lure lasts up to 30 days. Pre-filled lure. Stops flies from multiplying. Enoz no zone ready-to-use fruit fly traps utilize a fast-acting lure to attract and kill fruit flies. Seeking the lure, flies will enter trap and be killed. Place on kitchen counters, near fruits and vegetables or open bottles of wine. This product has not been registered by the United States Environmental Protection Agency. Willert Home Products represents that this product qualifies for exemption from registration under the Federal insecticide, fungicide and rodenticide art.