18" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Floor Register / Modern Victorian + Product Details Size –

+ Product Details Size – 16"w X 16"h is the size for the duct opening measurement only

hp-mullion-close { position: absolute

Features Heavy-duty

+ Product Details Size – 14"w X 26"h is the size for the duct opening measurement only

Unlike other covers

18" X 16" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Floor Register / Modern Victorian + Product Details Size –+ Product Details + Product Details Size 18"w X 16"h is the size for the duct opening measurement only, [Outer Dimensions: 20. 5"w X 18. 5"h] Actual Filter Size 17 3 4"w x 15 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