M-D Building Products Window Air Condition *Product Type: Window Air Conditioner Cover *Assembled Height: 18 in. *Assembled Width: 27 in. *Assembled Length: 22 in. *Material: Polyethylene *Color Family: Gray *Reusable: Yes *Packaging Type:Bag *Fits window units 10,000 to 15,000 BTU. Used to prevent damage from weather when not in use. Seals out cold draftsand moisture. Protects unit from damage caused by freezing water and debris. Elastic strap secures cover to unit. Easy to install. *Discovery ACC, CON, NBR, SUP, EXP