20" X 24" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 26 5/8"] w24h24 And Meets/Beats ASTM B280 Standard

And Meets/Beats ASTM B280 Standard

Actual Filter Size – 23 3/4"w x 19 3/4" x 1"

+ Product Details Size – 18"w X 14"h is the size for the duct opening measurement only

Design – Designed to withstand bends and sharp turns without kinking

Design – Cubic core eggcrate design Offers highest airflow efficiency at almost 95%

20" X 24" Steel Return Air Filter Grille for 1" Filter - Fixed Hinged - [Outer Dimensions: 22 5/8" X 26 5/8"] w24h24 And Meets/Beats ASTM B280 Standard+ Product Details Size 22"w X 24"h is the size for the duct opening measurement only, actual front end outer dimensions are approximately 24 5 8" width X 26 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