ATEX Cabinet Coolers meet the stringent ATEX requirements for use with classified enclosure purge and pressurization systems in Zone 2 and 22 explosive environments in 1,000 thru 5,600 Btu/hr sizes. These CE compliant coolers maintain the NEMA 4/4X integrity of your enclosure and are available in continuous operation and thermostat control models. https://exair.co/184_545