20" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 9.75] 3-Pack Floor Grille Produced in accordance with ISO

Produced in accordance with ISO 9001-2008 Quality Management System

5" - SEE BELOW IN DESCRIPTION How To Measure A Grille

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Quality Packaging - Carefully Shrink Wrapped With Cardboard Backing To Prevent Damage In Shipment (Comes With Screws For Easy Installation)

+ Product Details Size – 18"w X 36"h is the size for the duct opening measurement only

20" x 10" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 9.75] 3-Pack Floor Grille Produced in accordance with ISO+ Product Details Size 20"w X 10"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 19. 75" X 9. 75" High Quality A uniquie combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system Design The "W" shaped pleats give you more filter surface thereby capturing more dust. Our metal and paper diagonal support bars ensure the filter can