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] w24h24 Actual Filter Size – 7

Actual Filter Size – 7 3/4"w x 5 3/4" x 1"

+ Product Details Perfect Fit & Easy Sizing - Designed for a 8" x 30" or 30" x 8" duct opening (measured at the opening)

+ Product Details Size – 10"w X 24"h is the size for the duct opening measurement only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 12" x 34" or 34" x 12" 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] w24h24 Actual Filter Size – 7+ 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.