20" X 20" Steel Access Panel Removable Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 21" Width X 21" Height] return grille actual front end outer dimensions

actual front end outer dimensions are 22" width X 6" height

+ Product Details Size - 16"w X 34"h is the size for the duct opening measurement only

actual front end outer dimensions are approximately 20 5/8" width X 27 5/8" height -

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20" X 20" Steel Access Panel Removable Door For Concealed Wall / Ceiling Application With Slotted Lock - [Outer Dimensions: 21" Width X 21" Height] return grille actual front end outer dimensions+ Product Details Size 20"w X 20"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 21" width X 21" height Installation Easy installation Small bendable ears for flexible installation just screw the sides of the access panel frame into your duct hole. Our HVAC Access Door can be used in both commercial and residential settings. Design Easy access removable door provides easy access removable door