Witten 306MGR Energy Saver Auto Foundation Vent, 8" x 16", Gray Eco_Friendly Lightweight aluminum body withlong wearing

Lightweight aluminum body withlong wearing alloy steel parts

Eliminate clutter and maximize space

A ground fault as low as 6 millamperes (6/1000A) will trip a GFCI breaker

Parallel Ready - Allows you to connect two GP2200i inverter generators for twice the power

Screen frame corner designed to fit into square-cut ends of aluminum screen frame material to repair or construct new aluminum-framed screens

Witten 306MGR Energy Saver Auto Foundation Vent, 8" x 16", Gray Eco_Friendly Lightweight aluminum body withlong wearingHighlights: 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