Selkirk 12" to 30" Pipe Increaser (Round Large - Type B Gas Vent) Size:(24" Pipe) Increaser 16" to 24" making this a well rounded

making this a well rounded purchase

Roma was derived from the bases of Roman columns and how the Romans curved many pieces into a round fashion

Our bottles are fitted with a flame arrester which makes it the safest available

Arched Black Double Door

Reference Part number: HLDS01-GTHG

Selkirk 12" to 30" Pipe Increaser (Round Large - Type B Gas Vent) Size:(24" Pipe) Increaser 16" to 24" making this a well roundedSelkirk 12" to 30" Pipe Increaser The increaser is used to increase the vent size. The maximum increase is 4 sizes. Round Large Type B Gas Vent Model R Double Wall Type B Gas Vent is designed for quick and easy installation. It's durability makes it ideal for multi family and commercial industrial applications. Featuring an aluminum inner liner designed to assure quick vent action and minimal condensation. Lightweight and easy to assemble with snap