1.heat exchanger fin with high collar of 10mm
2.different fin surface as your requirements
3.any fin dies as you choose

Heat exchanger Fin with Hole Dia. 7.3mm

Name: Heat exchanger fin

Specification : 7.3*(12.7mm*21mm)

Material Thickness: 0.13mm

Collar Height: 2.5mm

Material: Aluminium

Fin Pattern: Up & bottom slit