16x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 29.75) - 3 Pack Material_Polished Aluminum IDEAL SIZE: Measuring 18" x Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

IDEAL SIZE: Measuring 18" x 38" x 3"

+ Product Details Size – 30"w X 14"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18 5/8" width X 26 5/8" height

actual front end outer dimensions are approximately 16 5/8" width X 18 5/8" height

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 20" OR 20" x 24" duct opening (measured at the opening)

16x30x1 MERV 2 Non Pleated Air Filter Replacement Filters (Actual Size 15.75 x 29.75) 3 Pack Material_Polished Aluminum IDEAL SIZE: Measuring 18" x Compatible With Duct 7in Applications This sheet metal DDAG A 1212 IDEAL SIZE: Measuring 18" x 38" x 3" + Product Details Size – 30"w X 14"h is the size for the duct opening measurement only