In Stock Item
Available Colors: Black & Brown
Manually operated foundation vent for controlled airflow in crawlspaces
Easy-to-use damper allows you to open or close the vent as needed
Durable plastic housing with built-in insect-resistant screen
No mortar required — installs with included screws, anchors, or retaining clips
Helps reduce moisture buildup, mold growth, and structural decay in crawlspaces
Fits rough opening: 8 in × 16 in
Net Free Area (NFA): approximately 50–65 sq. in.
Color / Model Designations:
RABL – Black
RABR – Brown
Overall dimensions: approximately 9.5 in × 17 in
Lightweight, easy-to-install design
Manual control lets you adjust ventilation to match seasonal or weather conditions
Enhances airflow and moisture control in crawlspaces
Easy to operate with no electrical or automatic components
Ideal for both new construction and replacement applications
Regular manual adjustment may be needed based on temperature and humidity
Ensure proper fit in standard 8 × 16 vent openings
Inspect periodically to ensure damper moves freely and screen remains intact