Mighty Cool Pump, 2,500 To 5,500 CFM Evaporative Cooler Pump With Grounded Cord & Plug, 120V, Sealed Ball Bearings, UL Classified, 2 Year Warranty, & For Use With Champion Cooler #WC37, TV #112-565, Champion Cooler #WC46, TV #112-566, Champion Cooler #3000 DD, TV #112-569, Champion Cooler #WC44, TV #142-411.