Classic Accessories 52-023-231001-00 Down Draft Evaporation Cooler Cover, 40" W x 40" D x 31" H Fits down draft evaporation coolers 40" long x 40" wide x 31" high Two-year limited warranty Adjustable side lacing system for a fast and secure fit Vent panels reduce inside condensation and wind lofting Not for use when cooler is in operation