Features CRS: All welded construction of 22 gauge crs. Door secured with keyed tumbler lock. Features SS: All stainless steel construction of 22 gauge type 304 no. 4 brushed finish. Full length stainless steel piano hinge on door. One piece frame on recessed unit with rigid 1/4" return on sides. Shipping Weight: 6 lbs. (2.8 kg) Installation: For unrestricted access, top of unit to floor does not exceed 48" (120). For recessed units provide rough opening: 16" W (40.6) x 11-1/8" H(28.2) x 1-5/8" D(4.1).