12" x 24" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 11.75 X 23.75] 3-Pack 18" Round Duct Pipe actual front end outer dimensions

actual front end outer dimensions are 17

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and rust caused by water and moisture

while also preventing air leakage making your HVAC system more energy efficient and in turn

NC (Normally Closed): Black

12" x 24" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 11.75 X 23.75] 3-Pack 18" Round Duct Pipe actual front end outer dimensions+ Product Details Size 12"w X 24"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 11. 75" X 23. 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