Selkirk 4" to 5" Increaser (Oval Type B Gas Vent) round-tall-stack 18" Width 19

18" Width 19

000 OPT-3S36

Passive Heat Trim Kit (PH-SIDETRIM) - Installation Instructions

Thick 14-gauge pans with high temp powder coating and deep well depth to accept large lava rock

Selkirk 4" to 5" Increaser (Oval Type B Gas Vent) round-tall-stack 18" Width 19Selkirk 4" to 5" OV IncreaserThe increaser permits increasing of vent from 4" oval to 5" oval. 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 condensation. Complete line of components that work together with Model RV round Type B Gas Vent. 4" to 6" Diameter: Aluminum inner liner