16" X 16" Steel Access Panel Removable Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 17" Width X 17" Height] flat stamped steel + Product Details Size - 190RF 10X20 FBA crafted from heavy gauge Compatible With Duct 7in

+ Product Details Size - 14"w X 26"h X 2"d (for duct opening measurement only)

Each grille is securely shrink-wrapped with a cardboard backing to prevent damage during shipment

+ Product Details Size - 34"w X 32"h X 2"d (for duct opening measurement only)

+ Product Details Size – 6" x 16" or 16" x 6" is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 34" x 18" Or 18" x 34" duct opening (measured at the opening)

16" X 16" Steel Access Panel Removable Door For Wall Ceiling Application (Lock and Key) With Frame [Outer Dimensions: 17" Width X 17" Height] flat stamped steel + Product Details Size 190RF 10X20 FBA crafted from heavy gauge Compatible With Duct 7in + Product Details Size 14"w X 26"h X 2"d (for duct opening measurement only) Each grille is securely shrink wrapped with a cardboard backing to prevent damage during shipment