... applied to cold room,freezing room FD flow air cooler with FreonTraits:1. the whole evaporator is galvanized, no rust, ... coefficient, high cold production;3.with many sets of small fan, the wind is blown evenly. Optional model:1.flooring type ... cooler3.flooring type side-blown unit cooler4.ceilling type unit cooler Defrosting method:1.water defrosting2.hot ammonia defrosting optional fin ...