Improved Design for a Secure Fit of Your Range Hood Exhaust Pipe Extension

【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.