Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
actual front end outer dimensions are approximately 12 5/8" width X 12 5/8" height
+ Product Details Size - 18"w X 30"h is the size for the duct opening measurement only
Our coils have a a very high PSI burst pressure
+ Product Details Perfect Fit & Easy Sizing - Designed for a 20" x 20" duct opening (measured at the opening)
Actual Filter Size – 9 3/4"w x 9 3/4" x 1"
25" X 12" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 27 5/8" X 14 5/8"] w20h20 actual front end outer dimensions+ Product Details Size 25"w X 12"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 27 5 8" width X 14 5 8" height. High Quality high quality solid stamped steel with counter sunk screw holes (screws included) and no sharp edges Installation Location Ceiling Design Fixed hinged for easy filter change & cleaning uses a 1" thick filter. Our filter grille latch is easy to use on your fingers and