12" X 12" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 13" Width X 13" Height] Blade + Product Details Size –

+ Product Details Size – 8" x 14" or 14" x 8" is the size for the duct opening measurement only

actual front end outer dimensions are 9" Width X 9" Height

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Actual Front End Outer Dimensions Are 15

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 32" OR 32" X 16" duct opening (measured at the opening)

12" X 12" Sound Rated Steel Access Panel Felt Covered Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 13" Width X 13" Height] Blade + Product Details Size –+ Product Details Size 12" X 12" is the size for the drywall opening measurement only, actual front end outer dimensions are 13" Width X 13" Height High Quality High grade steel construction. Design 1mm galvanized steel material with sleek, shiny, durable white powder coat finish for an attractive look & high durability corrosion protection 15mm medium density fibreboard with felt cover and rubber sealing between the door and frame for tight security.