Air Vent RAGR Standard Automatic Foundation Vent, Plastic, Gray Cartridge Allows the stone to breathe

Allows the stone to breathe and release moisture vapors

wood and masonry

High Visibilty Orange Color

and patching up to 35 sq

Maybe used on bare wood surfaces

Air Vent RAGR Standard Automatic Foundation Vent, Plastic, Gray Cartridge Allows the stone to breatheHighlights: Material: Plastic Color: Gray Standard Automatic Dimensions: 8" x 16" Temp Vent Closes: 38 deg. F Temp Vent Opens: 72 deg. F Vent Type: Foundation Net Free Area: 50 sq. in. Shape: Rectangle UV Resistant Heavy duty construction Premium bi metal coil Honeycomb grill Non powered open and close automatially using a heat cold sensitive coil Louvers open at 70 degree's F and close at 40 degree's F Vents self adjust all year Easily installed