Bare Aluminum Fin

Durability : 1 star

Applications : Normal Usage

Hydrophilic Blue Fin

Durability : 2 star

Applications : Residentials, Offices

Green Guard Coated Fin

Durability : 3 star

Applications : Corrosive Environment, Seaside, Chemical Factory

Copper Fin
Durability : 4 star

Applications : Extreme Environment, Offshors Drilling, Marine