16" X 16" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 17" Width X 17" Height] w22h22 L/H@0 FT: - 38 SV2414 HP Product Details Perfect Fit 12" Round Duct Pipe

L/H@0 FT: - 38

+ Product Details Size - 36"w X 26"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 26" Or 26" x 34" duct opening (measured at the opening)

+ Product Details Size - 22"w X 6"h is the size for the duct opening measurement only

ensuring they don't overlap

16" X 16" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall Ceiling Application With Slotted Lock [Outer Dimensions: 17" Width X 17" Height] w22h22 L H@0 FT: 38 SV2414 HP Product Details Perfect Fit 12" Round Duct Pipe L H@0 FT: 38 + Product Details Size 36"w X 26"h is the size for the duct opening measurement only