Selkirk 4"/5"/6" Firestop Spacer (Oval Type B Gas Vent) Size:6-Inch Polished River Rocks

Polished River Rocks

Solid Cast Iron Base

five-foot-long pipe sections

PH 18 PH24NM  Size: 24

Selkirk 4"/5"/6" Firestop Spacer (Oval Type B Gas Vent) Size:6-Inch Polished River RocksSelkirk 4" 5" 6" Firestop Spacer 2x6 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