STZ Industries 1 in. FIP each X 3/4 in. D FIP Galvanized Malleable Iron Reducing Coupling, Pack of 5 TUB The round back plate has

The round back plate has a diameter of 4-1/2 inches

sensitivity: 80dB

UPC: 046135623868

100 percent natural rubber is durable

Flexible blue spring steel blade

STZ Industries 1 in. FIP each X 3/4 in. D FIP Galvanized Malleable Iron Reducing Coupling, Pack of 5 TUB The round back plate hasWhen selecting gas pipe for your home STZ pipe and fittings are the way to go. Our durable galvanized iron fittings are 100% pressure tested and protected right at the factory. Pipe, connectors and fittings come in a array of sizes for residential gas air and LP applications. For use with residential potable drinking water applications Rated at maximum 300 psi at 150 F 100% pressure tested at the factory UL and FM certified Durable iron construction