Selkirk 4 in. D X 48 in. L Aluminum Round Gas Vent Pipe 4-40-488-01 ANSI/BHMA A156

ANSI/BHMA A156

26 gauge construction designed for optimal heat efficiency and long-term use

There are also high-grade distance measuring tools

It has unbreakable steel side plates and 1-inch welded torsion tube frame assembly

Selkirk 4 in. D X 48 in. L Aluminum Round Gas Vent Pipe 4-40-488-01 ANSI/BHMA A156Installed length 1 1 2 inch less than listed length aluminum inner wall, galvanized outer wall for gravity draft venting of LP or natural gas appliances 100 million BTU per hour. Brand Name: Selkirk Diameter: 4 in. Length: 48 in. Material: Aluminum Product Type: Round Gas Vent Pipe Packaging Type: Boxed Maximum Temperature: 500 F Number: 4RV 48 Chimney Vent Type: Type B Color: Silver Indoor or Outdoor: Indoor