16" X 16" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 18 5/8" X 18 5/8"] ceiling actual front end outer dimensions CRFG2028 Width_14in 4 X 12 Is

actual front end outer dimensions are approximately 22 5/8" width X 27 5/8" height

Design – Circular return valves - designed to be used in low and medium pressure ventilation air conditioning systems

Elevate your space with hassle-free functionality and experience superior ventilation today

+ Product Details Size - 14"w X 12"h is the size for the duct opening measurement only

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16" X 16" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 18 5 8" X 18 5 8"] ceiling actual front end outer dimensions CRFG2028 Width_14in 4 X 12 Is actual front end outer dimensions are approximately 22 5 8" width X 27 5 8" height Design – Circular return valves designed to be used in low and medium pressure ventilation air conditioning systems