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

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

This tool can work with PVC pipes (up to 12 mm diameter max) as well as solid and slotted wire ducts

with actual outer dimensions of 20

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,