- Fin space 4.5, 7, 10mm - Ceiling install for cold room - Capacity 6.35-50.55kw (SC2) - European quality & reasonable price HEB series Air Cooled Evaporator (Fin type, diameter 15mm copper tube, aluminum casing with white painting, ceiling install for cold storage & low temperature rooms, with Heater for electric defrost, optional fin space 4mm model without heater available, optional fans) ...