Fin Type: L Fin, L foot fin

Tube Material: Carbon steel, stainless steel, copper

Fin Material: Copper, aluminum

Fin Tube Length: No Limit

Maximum Working Temperature: 230°C

The aluminum fin strip or the copper fin strip is folded into an L shape and spirally wound tightly under the action of tension on the outer surface of the base tube. Tension in the fin strip is wrapped around the tube serves to make the fin foot forcefully on the tube, thus hold the fin firmly in place.