Frost King AC3H Air Conditioner Cover 18 in L 6 mil Polyethylene

Frost King outside covers for window air conditioners help protect your expensive unit from damage caused by harsh winter weather.

• Fits from 10000 btu to 15000 btu
• Heavy-duty polyurethane reinforced vinyl material protects unit from winter weather
• Helps prevent cold air from entering the home while preventing heat loss
• Elasticized for a tight secure fit
• Designed not to crack or mildew