BDM Dalsin Line 9" x 4ft 304 Stainless Steel 24 Gauge Rigid Liner light-gray Step-opening redundant combination gas valve

Step-opening redundant combination gas valve for quiet ignition and added safety

Includes 18901 storm collar

Can be used indoors & outdoor  including bathroom

The opposed louver

BDM Dalsin Line 9" x 4ft 304 Stainless Steel 24 Gauge Rigid Liner light-gray Step-opening redundant combination gas valve"Dalsin Line" rigid stainless steel liner and fittings are offered in both type 304 and type 316L stainless steel. The continuous laser weld construction and use of top quality materials make this the professionals choice when lining chimneys servicing wood, pellet, gas, oil, or coal fueled appliances. Features 24 gauge and type 304 Stainless Steel Continuous laser weld construction Precision end formed for best fit Provides for a full 1. 5" overlap