Witten 500bl Foundation Vent With Damper, 8 In L X 16 In W, Black Oxide

The Witten 500BL Foundation Vent with Damper is an essential ventilation component designed to fit foundation walls and crawl spaces with an 8-inch by 16-inch rough opening. This vent improves airflow throughout your home's foundation while actively preventing moisture buildup, excess humidity, and unwanted pest intrusion—common problems that can compromise indoor air quality and structural integrity.

Whether you're building new or upgrading existing ventilation, this foundation vent delivers reliable performance in residential and commercial properties. The integrated damper allows you to adjust airflow control to match your home's needs, while the durable black oxide finish resists corrosion and weathering for long-lasting durability in foundation environments.

Features and Benefits

• Adjustable Damper: Integrated damper mechanism lets you regulate airflow to optimize ventilation and energy efficiency.
• Durable Black Oxide Finish: Resists corrosion and weathering for reliable performance in damp foundation settings.
• Prevents Moisture and Pests: Reduces condensation and humidity while keeping unwanted pests out of crawl spaces and foundation areas.
• Proper Sizing: Designed specifically for 8-inch L x 16-inch W rough openings, ensuring a secure fit during installation.
• Improved Indoor Air Quality: Enhances home energy efficiency by promoting better airflow and reducing excess moisture that can affect comfort and health.

Specifications

• Brand: Witten
• Model: 500BL
• Rough Opening Size: 8 In L x 16 In W
• Finish: Black Oxide
• Includes: Integrated Damper