Selkirk 10" to 30" 45 Degree Elbow (Round Large - Type B Gas Vent) Size:18-Inch 5" has a tapered edge

5" has a tapered edge for a finished look when used as a left or right panel

The wall radiation shield must be adjusted to the wall of the masonry

One quart water to 10 lbs mix is recommended

The AudioFlare™ has 5 flame intensity settings

7" x 18" Adjustable Length Pipe

Selkirk 10" to 30" 45 Degree Elbow (Round Large - Type B Gas Vent) Size:18-Inch 5" has a tapered edgeSelkirk 10" to 30" 45 Degree Elbow Elbows are used to offset installation to avoid obstructions such as rafters and joists Size 10" through 14" adjust easily from 0 to 45 Sizes 16" through 30" are non adjustable 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