4" Galvanized Type B Gas Vent Cap, Bird Proof, Round B417287

Gas Vent Type B, 4 In cap Brick-Red Color | Nonflammable | Provides A Fireproof Acoustic Seal This is manufactured in Mexico Top round For gravity draft venting of LP or natural gas burning appliances Not for wall furnaces or wood burning applications Inner wall aluminum, outer wall galvanized 100 million BTU per hour Top round For gravity draft venting of LP or natural gas burning appliances Not for wall furnaces or woodburning applications Inner wall aluminum, outer wall galvanized 100 million BTU per hour