Secure Fit Stainless Steel Range Hood Exhaust Pipe Extension Docking Adapter

【Water heater exhaust pipe】The wall hung boiler exhaust pipe is designed withThick and is equipped with chimney flue pipe fittings. Size: 150,160,170,180,200, 250,300,141-165 clamp, 175-195 clamp. 1x Extension connector/1 x clamp.