Non-metallic lockable polycarbonate enclosure for remote annunciators, fire alarm control panels or other electronic products which require physical or environmental protection. Helps guard against vandalism (accidental or intentional), as well as dirt, dust and grime. The enclosure is constructed of tough polycarbonate material which allows the unit within to be protected yet accessible. Comes with NEMA 3R filter fan with filter vent – 120VAC, 60Hz with thermostat.