Window Air Conditioner Cover Indoor with Velcro Sides - Inside AC Cover for Winter - 21" x 15" x 3.5" (Black)

Window Air Conditioner Cover Indoor with Velcro Sides - Inside AC Cover for Winter - 21" x 15" x 3.5" (Black)Indoor Window Air Conditioner Cover (21" x 15" x 3. 5") Key Features Interior cover designed to block drafts and prevent heat loss during off seasons. Constructed from durable polyester fabric for long term use. Features an elastic border or drawstring for a secure, sealed fit. Helps keep dust, moisture, and debris from entering the room through the unit. Color: Black Dimensions (L x H x D): 21 in x 15 in x 3. 5 in Replaces Cross Reference Part

Indoor Window Air Conditioner Cover (21" x 15" x 3.5")

Key Features

• Interior cover designed to block drafts and prevent heat loss during off-seasons.
• Constructed from durable polyester fabric for long-term use.
• Features an elastic border or drawstring for a secure, sealed fit.
• Helps keep dust, moisture, and debris from entering the room through the unit.
• Color: Black
• Dimensions (L x H x D): 21 in x 15 in x 3.5 in

Replaces / Cross-Reference Part Numbers

• This is a universal cover, not a direct replacement for a specific manufacturer part number.
• Intended for any brand of window air conditioner matching the specified dimensions.

Compatibility & Fitment

• Fits most standard window air conditioner units with face dimensions from 19"-21" (Length) x 13"-15" (Height).
• Compatible with many 10,000 to 12,000 BTU window units.
• Verify your air conditioner's indoor unit dimensions prior to purchase to ensure proper fit.

When to Replace

• Replace if the current cover is torn, punctured, or frayed.
• If the material has degraded and no longer provides an effective seal against drafts.
• When the elastic or drawstring mechanism is stretched out or broken, preventing a secure fit.

Installation Tips

• Ensure the air conditioner is powered off before covering the unit.
• Wipe down the face of the AC unit to remove any dust or debris.
• Position the cover over the front of the indoor unit.
• Pull the edges to ensure it is fully seated around the unit's frame.
• Tighten the integrated securing mechanism to create a firm seal against the wall or window frame.