Witten 306MGR Energy Saver Auto Foundation Vent, 8" x 16", Gray Misc Safety Products All lintels should be shored

All lintels should be shored until mortar has cured

Features a double-sided deshedding blade and rake in one

eliminating the need for a center punch

effortless cutting

Aloe Vera Gel and Lanolin to help support

Witten 306MGR Energy Saver Auto Foundation Vent, 8" x 16", Gray Misc Safety Products All lintels should be shoredHighlights: Size : 8" x 16" Color : Gray Material: Thermo plastic With automatic damper 65 square inch net free area No electrical hook up required Replaces old style manual vents Fits standard 8" x 16" vent openings High density thermo plastic construction The key mechanism, bi metal coil, fully enclosed in protective cover Automatically opens at 70 degrees fahrenheit and closes at 40 (approximately) Stainless steel compression spring with 1