Air Vent RAGR Standard Automatic Foundation Vent, Plastic, Gray Cartridge Pipe Size: 1/4 NPT

Pipe Size: 1/4 NPT

Allows the stone to breathe and release moisture vapors

High Visibilty Orange Color

Interior - oil-based

Air Vent RAGR Standard Automatic Foundation Vent, Plastic, Gray Cartridge Pipe Size: 1/4 NPTHighlights: 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