3 3/4 €? High X 2 €? Wide 21 CU. IN.
14 Concentric knockouts (2 on botton, 4 on ends, 8 on sides).
Note: 1 concentric knockout on end is 1/2 €?, 3/4 €?, 1 €?.
Masonry boxes are not kept in regular stock, they are ordered from supplier when ordered by a customer. Please allow for extra time for delivery.