ADCO 3021 White RV Air Conditioner Cover ADCO Air Conditioner Covers - Protect your rooftop air conditioner while not in use; White Vinyl Heavy-duty jersey-backed vinyl protects against airborne contaminates and UV Helps reduce draft on cold days Secures with 'parachute' style draw cord Fits Duo Therm/Brisk Air 13.5-15 BTU; Duo Therm 57915, 29.5 Inch x 14.75 Inch x 34 Inch; Polar White