12" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES tool bag It also has a lock

It also has a lock catch built in for your convenience

We also made sure that each filter in every pack lasts you a long time

+ Product Details Size – 16" x 22" or 22" x 16" is the size for the duct opening measurement only

Sound Rated – Felt covered access panel door with soundproof material on the inside reduces noise with a reduction index of 30 – Enjoy having an access door without sacrificing peace and quiet

Actual dimensions: 21

12" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES tool bag It also has a lock+ Product Details Size 12"w X 24"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 26. 5"h] Actual Filter Size 11 3 4"w x 23 3 4" x 1" High Quality High quality rust free, strong aluminum construction with smooth finished edges for easy and safe use; Filter grille features a user friendly plastic latch that requires no screwdriver for opening. Installation Location Sidewall and ceiling. Design Heavier gauge than needed,