Friedrich hazardous location air conditioners are suitable for cooling spaces with flammable & volatile liquids / gases such as offshore oil rigs, petrochemical sites and munition plants. These air conditioners feature a vibration isolating design with steel inner wall blocks for diminishing noise levels and a hermetically sealed reciprocating compressor for tolerating high outdoor temperatures. Choose from a wide variety of these air conditioners, available in 50 & 60Hz options on Raptor Supplies.