This DuraFlexSS 316 8 x 50' Single Wall Chimney Pipe Length is the ultimate in flexible components for strength and flexibility. The DuraFlex 316 stainless steel pipe is to be used with wood-pellet, non-condensing gas, wood-burning, and oil appliances.ADA Compliant: No Collection: DuraFlexSS 316 Finish: Stainless Steel Fuel Type: Coal, Gas, Oil, Pellet, Wood Length: 600 Pipe Class: Flexible Liner Pipe Inside Diameter: 8 Pipe Shape: Round Style: Contemporary Modern UL Listed: Yes Vent Construction: Single Wall