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Koopman Lumber - Sharon

AC43H Air Conditioner Foam Weather Seal, 2-1/4 X 2-1/4 X 42 In.

SKU #8878472 Model #AC43H UPC #077578030401
Frost King AC43H Air Conditioner Foam Weather Seal, 2-1/4 x 2-1/4 x 42 In.

Frost King

Regular Price
$ 6.49 Each
Subject to availability and seasonality from suppliers. If we cannot get it, you will be notified and refunded.
Koopman Lumber - Sharon Sharon, MA
Available at 6 other locations
  • 13 in stock at
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  • 244 available for special order at
Key Features
AI Generated
  • Designed for wide gaps, the 42‑inch strip can be trimmed to fit any window size.
  • Compressible foam ensures a snug fit without the need for additional caulking.
  • Crafted from high‑quality open cell polyurethane foam for superior airflow control.
  • The understated gray helps the seal remain invisible after installation.
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Description

AI Robot
Descriptions are AI-generated. For accurate measurements, please call the store to confirm.

Window air conditioners can leak cool air around the edges and allow heat transfer, reducing efficiency and increasing energy costs. Frost King AC43H Air Conditioner Foam Weather Seal fills gaps around your air conditioner unit to help it cool more efficiently in summer while preventing heat loss in winter. This open cell polyurethane foam strip compresses to fit irregular gaps and stays in place through seasonal temperature changes.

The high compressibility of the foam allows it to conform to gaps while maintaining structural integrity, and its design helps reduce vibrations from the running unit. This weather seal is made of highly compressible open cell polyurethane foam that adapts to the space around your air conditioner.

Features and Benefits

  • Open Cell Polyurethane Foam: Highly compressible material that adapts to irregular gaps and maintains durability over time.
  • Easy Installation: Simply push the strip into place around your air conditioner opening without complicated setup.
  • Energy Savings: Reduces air leakage and heat transfer, helping your system run more efficiently and less frequently.
  • Vibration Reduction: The foam structure helps dampen vibrations from the operating air conditioner unit.
  • Year-Round Protection: Prevents cool air loss in summer and heat loss in winter, maximizing seasonal comfort.
  • Flexible Accommodation: Compressible design allows it to stay in place during seasonal expansion and contraction of the window frame.

Specifications

  • Brand: Frost King
  • Model: AC43H
  • Length: 42 in.
  • Width: 2-1/4 in.
  • Height: 2-1/4 in.
  • Material: Open cell polyurethane foam
  • Color: Black
  • Compressibility: Highly compressible