42 In. X 2-1/4 In. X 2-1/4 In. Air Conditioning Weatherstrip

Introducing Charcoal Window AC Weatherstrip — a purpose-built seal for window air conditioners that blocks drafts and keeps your space cooler. Crafted from durable polyurethane foam, this strip wedges between the sash to stop air leaks and enhance energy efficiency. The charcoal finish blends with most window frames for a discreet, professional look that complements any room.

Benefits at a glance: This seal blocks drafts and minimizes cooling losses, helping your air conditioner perform more efficiently and lowering energy costs. Lightweight and easy to install, it suits residential and commercial setups alike.

• Length: 42 In. — provides a precise fit for standard window AC units and a secure seal against drafts.
• Width: 2-1/4 In. — creates a robust closure along the sash for enhanced sealing.
• Thickness: 2-1/4 In. — thick foam layer delivers durable air sealing and long-lasting compression.
• Color: Charcoal — blends with most window frames for a low-profile appearance.
• Material: Polyurethane Foam — tough insulation foam that maintains shape for repeatable sealing and energy savings.

Why this weatherstrip stands out: Designed for window air conditioners, it delivers reliable sealing without restricting airflow or comfort. The AC43HDI model number confirms compatibility with standard units. Install once and enjoy reduced drafts and lower cooling costs all summer long.