Full Technical Description: 5.25 Inch W X 6.54 Inch D Size; Flow Measurement Device, Level Detector, Pressure Switch, Temperature Control, Two Wire Transmitter Used on; 3/4 Inch Hub Size; UL 1203, CSA C22.2, FM Approval; Class I Div 1 and 2 Group B C D, Class II Div 1 Group E F G, Class II Div 2 Group F G, Class III, NEMA 3/4/7B/7C/7D/9E/9F/9G Enclosure; 4 Inch Glass Lens Dome Cover Type; Copper Free Aluminum Body Material; Dust Ignition Proof, Explosion Proof, Rain Tight, Water Tight; Lug Mounting Hardware; CORRO-FREE[T] Gray Epoxy Powder Coated Copper Free Aluminum Cover Material; Offset Feed Through Hub Location; CORRO-FREE[T] Gray Epoxy Powder Coated Body Finish; Crouse-Hinds. Brand; EIH Model