... unit is the first choice for small cold room. Like 1/8HP, 1/6HP, 1/5HP, 1/4HP, etc. F means air cooled ... , S means water cooled. Applicable for med-high temperature and med ... Feature1. Tecumseh hermetic compressor2. With full range, air cooled & water cooled.3. All the accessories are world famous brand ... configuration is acceptable. TCT Tecumseh air cooled condensing unit