ADCO Polar White A/C Cover 25" x 11" x 39" Fits Duo Therm Penguin I and II, Dometic (Low Profile CA Series). Deluxe heavy-duty white vinyl with contrasting welt cord & parachute drawstring. Reinforced construction offers weatherproof non-tearing seams for durability. Keep leaves and dirt out of your rooftop unit. Cuts down on drafts on cold days 3 year warranty.