Selkirk 4" BW Attic Shield (Oval Type B Gas Vent) w18.1 consider getting the Yukon stand

consider getting the Yukon stand to help protect the surface below

will in turn ship the repaired or replacement Product to the owner

including bubbles or blemishes

25" H x 18" D Finish White

These flame control key valves are available in a variety of colors with standard capacity (1/2″) or high capacity (3/4″) valves

Selkirk 4" BW Attic Shield (Oval Type B Gas Vent) w18.1 consider getting the Yukon standSelkirk 4" BW Attic Shield The Type BW attic shield is used on a single story AVS building or on the top story of a multi story building for Type BW gas vent. A 26 gauge galvanized sleeve should extend from the top of the ceiling plate into the attic. A Type BW attic shield is required by Los Angeles Code and UMC. Oval Type B Gas Vent Model OV Type B Gas Vent offers all of the advantages and installation conveniences of round pipe in a compact oval