Mop sink, flush-with-floor (recessed into floor), 21-3/8"W x 24"D x 10" deep bowl, with 16-1/2" tall rear & left side splashes (above floor), with removable stainless steel subway grating, allows mop buckets to roll over sink at floor level, removable stainless steel strainer basket, 4" O.D. waste pipe 3" tall