16" X 16" Steel Access Panel Removable Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 17" Width X 17" Height] Insulated Line thanks to its slotted lock

thanks to its slotted lock

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

Multi-shutter damper with easy lever for precise airflow control

+ Product Details Size - 6"w X 16"h is the size for the duct opening measurement only

16" X 16" Steel Access Panel Removable Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 17" Width X 17" Height] Insulated Line thanks to its slotted lock+ Product Details Size 16"w X 16"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 17" width X 17" 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,