20" x 30" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 29.75] 3-Pack Insulated Line Set it boasts a safety hook

it boasts a safety hook and is fully removable thanks to its spring-loaded hinge mechanism

+ Product Details Perfect Fit & Easy Sizing - Designed for a 28" x 28" duct opening (measured at the opening)

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Adjust the airflow to your preference by simply opening or closing the top panel

+ Product Details Size - 26"w X 10"h is the size for the duct opening measurement only

20" x 30" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 19.75 X 29.75] 3-Pack Insulated Line Set it boasts a safety hook+ Product Details Size 20"w X 30"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 19. 75" X 29. 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