High Compatibility: This dryer vent window kit fits 4 inch (101.6 mm) exhaust hoses and is compatible with most standard aluminum flex ducts. Ideal for meeting your indoor or outdoor venting needs

Adjustable Window Panel: Designed for vertical and horizontal sliding windows with an adjustable length from 17 to 61 inches (430 to 1549 mm). Measure your window before purchase to ensure the ideal fit and installation result

Sturdy Materials: Made of premium PVC and PP materials with ideal resistance to compression, weather, wear, and corrosion-resistant. Suitable for various conditions and provides long-term reliable performance for both indoor and outdoor use

Dual Protection: The fine mesh blocks dirt debris and small particles to ensure clean airflow. The slanted louver design avoids wind rain and snow from entering offering full protection for your home

Multi-Layer Sealing: Comes with a hose clamp for secure connection and a sealing strip to fill gaps and improve insulation. Optional foil tape (not included) can be added to enhance thermal performance even further