Selkirk 4"/5" Firestop Spacer (Oval Type B Gas Vent) h37.38 Mineral Rock media

Mineral Rock media

Designed for the Osburn 3300 wood stove

Wear appropriate eye protection

Front Width: 30"

With a selection of sizes and formats

Selkirk 4"/5" Firestop Spacer (Oval Type B Gas Vent) h37.38 Mineral Rock mediaSelkirk 4" 5" OV Firestop Spacer 2x4 Wall The firestop spacers center vent in 16" O. C. stud space and serve as a firestop at the ceiling level. This is a required component for Type B 2 x 4 and multi story Type BW installations. Oval Type B Gas VentModel OV Type B Gas Vent offers all of the advantages and installation conveniences of round pipe in a compact oval design. An aluminum inner liner designed to assure quick vent action and minimal