16" X 16" Steel Access Panel Removable Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 17" Width X 17" Height] fixed bar this easy-to-install grille fits seamlessly

this easy-to-install grille fits seamlessly into any standard return filter opening

entertainment controls

This is an essential component that improves the functionality of your HVAC system and will make your building’s ventilation

+ Product Details Size - 36"w X 36"h is the size for the duct opening measurement only

Actual Filter Size – 23 3/4"w x 31 3/4" x 1"

16" X 16" Steel Access Panel Removable Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 17" Width X 17" Height] fixed bar this easy-to-install grille fits seamlessly+ 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,