24" X 24" Steel Access Panel Removable Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 25" Width X 25" Height] w30h30 Actual Filter Size – 31 Compatible With Duct 7in Applications This sheet metal DDAG-A-1212

Actual Filter Size – 31 3/4"w x 27 3/4" x 1"

+ Product Details Size - 25"w X 34"h is the size for the duct opening measurement only

12"w X 2"h Is The Size For The Duct Opening Measurement Only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 32" x 22" OR 22" x 32" duct opening (measured at the opening)

+ Product Details Size - 10"w X 26"h is the size for the duct opening measurement only

24" X 24" Steel Access Panel Removable Door For Concealed Wall Ceiling Application With Slotted Lock [Outer Dimensions: 25" Width X 25" Height] w30h30 Actual Filter Size – 31 Compatible With Duct 7in Applications This sheet metal DDAG A 1212 Actual Filter Size – 31 3 4"w x 27 3 4" x 1" + Product Details Size 25"w X 34"h is the size for the duct opening measurement only