Pvc Pipe Stainless Steel Chimney Flue Liner 140mm / 5.51" Length 1m Ducting 1 Meter Rigid Chimney Pipe 140mm They are mainly used for flue heating equipment. 140mm Stainless Steel Stove Pipe. Length - 1m / 100cm / 1000mm They are mainly used for flue heating equipment Length - 330mm · High Quality · Chimney liner pipe made of stainless steel plates in grade 1.4404 according to DIN 17441 with a thickness of 0.5 to 0.8 [mm Chimney liner pipe made of acid-resistant chrome-nickel steel plates in grade 1., 4404 according to DIN 17441 with a thickness of 0., 5 to 0., 8 [mm]. Chimney Flue Liner Pipe 140mm / 330mm Stainless Steel Stove Pipe Such chimneys are resistant to the corrosive effects of acidic condensate formed during the combustion process., Thickness of 0., 5mm to 0., 8mm , Grade 1., 4404 according to DIN 17441