36" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE Flexible Ducts Actual Filter Size – 17

Actual Filter Size – 17 3/4"w x 23 3/4" x 1"

actual front end outer dimensions are approximately 22 5/8" width X 10 5/8" height

+ Product Details Size - 30"w X 8"h Is The Size For The Duct Opening Measurement Only

+ Product Details Perfect Fit & Easy Sizing - Designed for a 16" x 12" OR 12" X 16" duct opening (measured at the opening)

36" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE Flexible Ducts Actual Filter Size – 17+ Product Details Size 36"w X 6"h is the size for the duct opening measurement only, [Outer Dimensions: 38. 5"w X 8. 5"h] Actual Filter Size 35 3 4"w x 5 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,