6" X 6" Steel Access Panel Removable Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 7" Width X 7" Height] Sheet Metal + Product Details Size –

+ Product Details Size – 20"w X 18"h is the size for the duct opening measurement only

16" x 3" Aluminum Spiral Duct Air Vent Grille Cover - Fully Adjustable Double Deflection HVAC Air Supply

+ Product Details Size - 16"w X 25"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 18 5/8" width X 20 5/8" height

actual front end outer dimensions are approximately 27 5/8" width X 26 5/8" height

6" X 6" Steel Access Panel Removable Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 7" Width X 7" Height] Sheet Metal + Product Details Size –+ Product Details Size 6"w X 6"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 7" width X 7" height Installation Easy installation just screw the sides of the access panel frame into your duct hole see photos for example. Our HVAC Access Door can be used in both commercial and residential settings. Design Easy access removable door provides easy access removable door for HVAC, plumbing,