36" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 7" Round Duct Pipe + Product Details Size –

+ Product Details Size – 18" x 24" or 24" x 18" is the size for the duct opening measurement only

5" width x 11

compatible with duct 12" | 5-Pack of 2' pipe – 10 foot length when connected – 26 gauge thick & made of thick & durable galvanized sheet metal

1/4" - 6518 PSI

Check for any leaks in the plumbing connections

36" X 20" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES 7" Round Duct Pipe + Product Details Size –+ Product Details Size 36"w X 20"h is the size for the duct opening measurement only, [Outer Dimensions: 38. 5"w X 22. 5"h] Actual Filter Size 35 3 4"w x 19 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,