36" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Height_22in + Product Details Size –

+ Product Details Size – The size of 10" straight saddle stick on take-off is 10" and it is compatible with duct 10"

actual front end outer dimensions are approximately 36 5/8" width X 34 5/8" height

QUALITY PACKAGING & SATISFACTION GUARANTEED - Hand Inspected for Quality - 100% Satisfaction Guaranteed

+ Product Details Size & Compatibility – The size of sheet metal pipe is 10" round x 10' long

+ Product Details Size - 28"w X 20"h is the size for the duct opening measurement only

36" X 18" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Height_22in + Product Details Size –+ Product Details Size 36"w X 18"h is the size for the duct opening measurement only, [Outer Dimensions: 38. 5"w X 20. 5"h] Actual Filter Size 35 3 4"w x 17 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,