18x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 23.75) - 3 Pack w20h20 And The Full Outer Portion Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

And The Full Outer Portion Is Double Layered

actual front end outer dimensions are approximately 27 5/8" width X 38 5/8" height

and squirrels

+ Product Details Size – 24"w X 22"h is the size for the duct opening measurement only

+ Product Details Size - 10"w X 8"h X 2"d (for duct opening measurement only)

18x24x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 17.75 x 23.75) 3 Pack w20h20 And The Full Outer Portion Compatible With Duct 7in Applications This sheet metal DDAG A 1212 And The Full Outer Portion Is Double Layered actual front end outer dimensions are approximately 27 5 8" width X 38 5 8" height