25" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE 4in diameter Actual Filter Size – 13

Actual Filter Size – 13 3/4"w x 24 3/4" x 1"

GPH @ 1 FT: - 67

+ Product Details Perfect Fit & Easy Sizing - Designed for a 24" x 36" OR 36" x 24" duct opening (measured at the opening)

Simply cut into the frame of your wall and the metal duct where your HVAC system is located

actual front end outer dimensions are approximately 25" width X 25" height

25" X 14" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE 4in diameter Actual Filter Size – 13+ Product Details Size 25"w X 14"h is the size for the duct opening measurement only, [Outer Dimensions: 27. 5"w X 16. 5"h] Actual Filter Size 24 3 4"w x 13 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,