12" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Oval Stack Head + Product Details Perfect Fit

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 10" OR 10" X 16" duct opening (measured at the opening)

actual front end outer dimensions are approximately 14 5/8" width X 18 5/8" height

1x 90° Vertical Elbow

+ Product Details Perfect Fit & Easy Sizing - Designed for a 6" x 30" or 30" x 6" duct opening (measured at the opening)

+ Product Description Introducing our 6" x 10" or 10" x 6" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

12" X 30" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Oval Stack Head + Product Details Perfect Fit+ Product Details Size 12"w X 30"h is the size for the duct opening measurement only, [Outer Dimensions: 14. 5"w X 32. 5"h] Actual Filter Size 11 3 4"w x 29 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,