8" X 8" Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 9" Width X 9" Height] with filter If your hole is 14"

If your hole is 14" wide by 20" tall

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

+ Product Details Size – 14" X 4" is the size for the duct opening (floor/vent hole) measurement only

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Actual Filter Size – 17 3/4"w x 21 3/4" x 1"

8" X 8" Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 9" Width X 9" Height] with filter If your hole is 14"+ Product Details Size 8" X 8" is the size for the drywall opening measurement only, actual front end outer dimensions are 9" width X 9" height High Quality High grade aluminum solid frame construction. Design Aluminum frame with no welded edges. Fully removable door with a spring loaded hinge. Open close easily with push lock technology, just push open and push close. Easy Access Provides easy access for HVAC, plumbing, electrical, crawlspace etc.