1.Tecumseh hermetic compressor 2.Capacity from 1/8HP~12HP 3.Suitable for R22, R404A, R134A 4.Temp range: ... is the first choice for small cold room. Like 1/8HP, 1/6HP, 1/5HP, 1/4HP, etc. F means air ... , suitable for different refrigerant.6. Optional configuration is acceptable. Tecumseh piston condensing unit