ADCO 3017 White Size 17 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 Size 17 Cover - Dimensions 27"W x 10"D x 39.75"L;Fits (Coleman, Mini Mach/Super Mach); Polar White