COSFLY Indoor Air Conditioner Cover AC Unit Covers for Inside 21 x 15 x 3 inches (L x H x D)

• Cover Size - 21 x 15 x 3 inches (L x H x D). Fits Window Air Conditioner Units up to 19-21" x 13-15" x 3"(L x H x D).
• Energy Saving - 210 D Polyester/cotton indoor ac cover blocks wind and cold air drafts from entering through air conditioners, cover inside window-mounted air conditioning unit and also can works for wall mounted units of suitable size.
• Easy to Install - No tools required. Simply slip the cover over the air conditioner. The cover itself has an elastic that is placed around the front of the ac unit and a draw string on each side provides a snug fit to help keep cold drafts from coming through.
• Convenient - In the lower right corner of the cover, there is a small hole for the air conditioning power cable to pass through.
• Protects Your AC Unit - Prevents dust, dirt, and other small debris from clogging up your A/C unit when it's not in use. Reduce heating costs during winter, eliminate the need to remove and reinstall A/C unit.

The indoor ac cover from COSFLY drastically improved the heating efficiency of the room