Our DX Coils can be manufactured with plain copper tubes (5mm, 7mm, 9.52 mm, 12.7 mm & 15.87 mm) or with Inner Grooved Copper tubes in tube dia. of 5 mm, 7 mm, 9.52 mm to have increased efficiency & performance. Fin Option of Al, Pre-coated or Hydrophylic Al, Copper fins is available. These coils can be used for any refrigerant based application for an HVAC Equipment.