12" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 8in diameter The set includes a deburring

The set includes a deburring tool for a smooth finish and an extra HSS blade for added convenience

The Contempo slotted Grate

ID tubing with 16 mm or 18 mm connections

which securely anchors the grille to your wall

Actual Filter Size – 31 3/4"w x 27 3/4" x 1"

12" X 8" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 8in diameter The set includes a deburring+ Product Details Size 12"w X 8"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 10. 5"h] Actual Filter Size 11 3 4"w x 7 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,