8" X 18" Or 18" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 19.75] Width_24in this non-pleated filter offers low

this non-pleated filter offers low resistance to airflow

+ Product Details Size & Compatibilty - The 5" to 6" round metal pipe reducer & increaser 30 gauge is compatible with duct 5" to 6"

The MERV 2 rating of our furnace accessory is proof enough of how much air flows through the filter itself

Size: 24 X 8

Our filter grille latch is easy to use on your fingers and requires no screwdriver to open

8" X 18" Or 18" X 8" Heavy Duty Floor Grille - Fixed Blades Air Grille - Brown [Outer Dimensions: 9.75 X 19.75] Width_24in this non-pleated filter offers low+ Product Details Size 8"w X 18"h or 18" x 8" is the size for the duct opening measurement only, actual front end outer dimensions are approximately 9. 75" width X 19. 75" height. High Quality High grade steel construction meant for high foot traffic areas. Installation Location Floor. Design Easy drop in installation Powder Coat Finish Smooth, shiny, scratch resistant, with no sharp edges. Looks like it was just waxed. Quality Packaging Carefully