K&N Universal Air Filter 4in Flange / 5-3/8 in Base / 4-1/2in Top / 5in Height

K&N Universal Air Filter 4in Flange / 5-3/8 in Base / 4-1/2in Top / 5in Height

Marsoni

M251S

$50.39

Get it in 3 business days with 1 day shipping. Friday, May 29

K&N Universal Air Filter 4in Flange / 5-3/8 in Base / 4-1/2in Top / 5in HeightK&N's Universal Air Filters are designed and manufactured for a wide variety of applications including racing vehicles, radio controlled cars, generators, snowmobiles, tractors, and other applications. Regardless of the angle or offset diameter of the air intake, there is probably a K&N Universal air filter for your equipment. All filters are constructed with ultra strong molded pliable rubber flanges which absorb vibration and allow for secure

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So the quality of this not great, but good enough and they look nice enough on the wall. However, the bracket holes are not spaced at 16" intervals. WTF? I'm not sure who designed this thing. The molly plugs that came with it look OK, but to play it safe I used a cobalt steel drill bit and made my own holes in the bracket. Easy enough with some wd40. My other pick with this is that the screws to anchor the shelf to the bracket are black and and very obvious... they should have supplied some kind of cap.

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Reviewed in the United States on January 31, 2026