Koolatron Mosquito Trap Propane Tank Cover Made of durable outdoor cotton-based, weather resistant material Washable in cold water Designed with sewn-in velcro strips for quick and easy wrap-around installation Fits any standard 20 lbs. propane tank Lentek Mosquito Trap Products are an excellent example of quality and achievement provided by Lentek. Effective against mosquitoes, no see-ums and other blood seeking insects. The Lentek Mosquito Trap uses this traditional trapping approach, combined with the latest in research, to turn the female mosquitoes natural hunting techniques toward seeking out the trap and facilitating capture in a product that private homeowners can use.