Selkirk 12" to 30" Pipe Increaser (Round Large - Type B Gas Vent) w19.75 25″ x 18

25″ x 18

Click to see Zone Transformers 24VAC

OFG104 / OFG105 / OFG110 -WS

Brushed Nickel Bezel

SLP-TRAP2 Product Type

Selkirk 12" to 30" Pipe Increaser (Round Large - Type B Gas Vent) w19.75 25″ x 18Selkirk 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