12" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 14 5/8" X 14 5/8"] w18h18 Design – Removable door/face for 4 X 12 Is CRFG2028 Width_14in
Yard notes & kiln story
Description
Design – Removable door/face for easy filter change & cleaning - uses a 1" thick filter
+ Product Details
+ Product Details Size - 30"w X 4"h is the size for the duct opening measurement only
+ How To Measure A Round Vent Overall Size:
Produced in accordance with ISO 9001-2008 Quality Management System
12" X 12" Steel Return Air Filter Grille for 1" Filter Fixed Hinged [Outer Dimensions: 14 5 8" X 14 5 8"] w18h18 Design – Removable door face for 4 X 12 Is CRFG2028 Width_14in Design – Removable door face for easy filter change & cleaning uses a 1" thick filter + Product Details