The Lew Electric 332-DA is a round die cast aluminum concrete floor box with a brass top flange. The box is semi-adjustable offering 1″ of adjustability to be set to the level of the floor, post installation adjustability is not possible. The box is best suited for saw cut or core drilled installations, or pre-pour jobs that have 2 1/8″ to 3 5/16″ of concrete depth.  There is 13 cubic inches of interior space available, the box is only 2″ deep. There are four 3/4″ knockouts on the sides of the box to run your wires to. The box ships with a protective cement cap to keep the box clean and safe during concrete pouring. The box does not ship with a cover, there are several options available that are sold separately, Lew 4″ cover plates will fit flush. If the box is to be used in a carpeted area a sold separately carpet flange can be ordered, the SCF-1 series carpet flange adds 3/8″ of height to accommodate the carpet and padding. For tile applications no flange is needed, simply pour your concrete to the level of the tile frame less the thickness of the tile. The box is ETL listed for UL 514A in the USA, and cUL listed C22.2 #18.1 and CSA approved for Canada installations.