Endura Flap Pet Door for Sash Windows | Energy-Efficient Window Insert with Dual-Layer Insulating Flap | Easy Installation in Vertical Sliding Windows | Silver, Large Flap, 34"-37" Window Width

Price: $389.99

As of 2026-01-25 10:09:31 UTC (more info)

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EFFORTLESS INSTALLATION: The Endura Flap pet door for sash windows is designed for an quick and easy installation process in your vertical sliding sash window, making it perfect for renters and vacation homes without permanent alterations

ACCOMMODATE PETS OF ALL SIZES: With four different flap sizes available, this pet door is suitable for cats, small dogs, and large breed dogs, ensuring a perfect fit for your furry friend's needs; large flap measures 10" x 19" and is suitable for pets up to 27" tall

ENERGY-EFFICIENT DESIGN: The pet door features a strong aluminum frame, insulating Low-E glass, and a complete magnetic seal on the flap that withstands winds up to 50mph, ensuring your home remains comfortable and protected in all weather conditions

INSULATION AND WEATHER RESISTANCE: The pet door comes with a draft stopper and weatherstripping to provide extra insulation and protection against the elements, keeping your home cozy and secure

SAFETY AND SECURITY IN MIND: your pet door includes a durable molded ABS plastic locking cover to keep your pets safe and prevent unwanted visitors when you're away or during nighttime hours