Ornamental Perforated Metal
Standard Octagon 35% open
Hexagon 1/4" 79% open
Max-Flow 68% open. Slots, 1/4" x 1-1/2", in rows across width of sheet. Vertical bars 3/32" wide, with every third bar 3/16"
Moire 41% open 1/8" x 3/4"
Full Cloverleaf 50%