The GAF Master Flow Slider style foundation vent allows air circulation to reduce moisture and helps prevent decay in your foundation crawl space. It has a net free vent area of 40 sq. in. Item requires mortar to install. The product is polypropylene, includes a screen and fits a standard 16 in. x 8 in. foundation vent opening. The slider adjusts manually to open and close.
Plastic resin foundation vents slider with lintel
Easy to operate slide action - adjusts manually
For brick, block or frame construction
Installs with mortar
40 sq. in. (NFA) net free area
Features
Item Weight
1
Shape
Rectangular
Color/Finish Family
Black
Color Family
Black
Power Type
Non-Powered
Intake/Exhaust
Exhaust
Automatic/Manual
Manual
Color/Finish
Black
Features
Built-in Screen
Material
Resin
Returnable
180-Day
Mounting Position
Wall Mount
Product Weight (lb.)
1 lb
Product Width (in.)
16 in
Rough Opening Height (In.)
8
Product Height (in.)
8 in
Rough Opening Width (In.)
16
Product Depth (in.)
2.75 in
Net-Free Area (Sq. In.)
40
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