The polycarbonate EnviroArmour® accessories are from the main NEMA polycarbonate series and they help enclosures to be built for specific needs. For installation, the mounting plates are available. Please view the temperature control and panel options listed below for the polycarbonate EnviroArmour® accessories. Temperature control options are the following: AC with heat, filter fan with filter vent, heaters/thermostats. Panel options are the following: variable height swing, dead front swing, variable height stationary, aluminum or fiberglass back.