Actual Size of Merv 12 Filter:
11 1/2 x 11 1/2 x ¾

(See the click for more info or to purchase

Actual Size of Filter:
11 1/2 x 17 1/2 x ¾

Qty Per Unit:
Box of 6 Air Filters

Actual Size of Filter:
11 1/2 x 17 1/2 x ¾

Qty Per Unit:
Box of 48 Air Filters