Attributes . Shutter Overall Size . Values

13 in x 13 in (4)   15 in x 15 in (7)   19 in x 19 in (4)   21 in x 21 in (6)   23 in x 23 in (8)   26 in x 26 in (4)   27 in x 27 in (7)   32 in x 32 in (4)   33 in x 33 in (4)   38 in x 38 in (3)   39 in x 39 in (7)   43-5/8 in L x 42-1/4 in. (2)   45 in x 45 in (3)   51 in x 51 in (5)   51" x 51" (2)