12" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES tool bag + Product Details Size –

+ Product Details Size – 8"w X 14"h is the size for the duct opening measurement only

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

Actual dimensions: 21

+ Product Details Size - 36"W X 8"H is (for duct opening measurement only)

12" X 24" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES tool bag + Product Details Size –+ 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,