36" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE w14h14 this pump is easy to

this pump is easy to install in both new and existing applications

+ Product Details Size – 28"w X 12"h is the size for the duct opening measurement only

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Slots are angled to diversify the airflow in 2 way direction

we recommend purchasing one of our HVAC access doors

36" X 6" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLE w14h14 this pump is easy to+ 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,