36" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Insulated Flexible Ducts R-6.0 + Product Details Size –

+ Product Details Size – 10"w X 12"h or 12" x 10" is the size for the duct opening measurement only

Design – Individually adjusting curved blades for better air flow control

+ Product Details Size – 20"w X 25"h o 25" x 20" is the size for the duct opening measurement only

+ Product Description Introducing our 8" x 24" or 24" x 8" Floor Grille - a reliable and durable air grill designed for exceptional performance and built to last

36" X 12" ALUMINUM RETURN FILTER GRILLE FOR 1" FILTER - EASY AIRFLOW - LINEAR BAR GRILLES Insulated Flexible Ducts R-6.0 + Product Details Size –+ Product Details Size 36"w X 12"h is the size for the duct opening measurement only, [Outer Dimensions: 38. 5"w X 14. 5"h] Actual Filter Size 35 3 4"w x 11 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,