Witten 315CGR Replacement Auto Vent, 8" x 16", Gray Cup & Saucer Sets Anti-scratch lens coating

Anti-scratch lens coating

Simply place coffee filter in cone

Water filled submersible motor

Jam resistant mechanism

Witten 315CGR Replacement Auto Vent, 8" x 16", Gray Cup & Saucer Sets Anti-scratch lens coatingHighlights: Finish: Gray Material: Stainless Steel Thermoplastic Aluminum Mesh With 1"W frame for new construction or to replace old foundation vents Fits standard 8" x 16" concrete block opening Operates automatically without electricity; opens at 70 degrees Fahrenheit, closes at 40 (approximately) Simple homeowner DIYer snap in installation, with color matched set screws for additional stability Removable back for maintenance and cleaning Screened