Four Square Air Tight Box 2-1/8" 1/2" & 3/4" Side KO, 25 Pak

Stainless steel 2-1/8 in deep 4 in square drawn boxes with air tight (8) 1/2 in & (4) 3/4 in side knockouts and (3) 1/2 in & (2) 3/4 in bottom knockouts are used in wash down and damp locations. They are installed in air plenum walls or ceilings for lighting fixtures switches receptacles or other outlet devices. Garvin' 4S Boxes can be surface- or flush mounted when multi directional conduit runs are necessary.