The HI-F design establishes a new high in heat transfer efficiency yielding sharply increased performance. The smoother fin design of the E-F surface results in lower operating costs over the life of the equipment.
 3 - 14 FPI
 Aluminum fins
 Copper fins
 Copper tubing
 Cupro-nickel tubing
 Copper tube headers
 Free floating core
 Flanged casings
 Brazed joints