18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters

18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters

Marsoni

M251S

$68.99

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

18x18x 1/2 Half Inch Ring Panel MERV 7 Furnace Air FiltersActual Size: 17 1 2 x 17 1 2 x 1 2 (17. 5 x 17. 5 x 0. 5) Captures large airborne particles like household dust, pet dander, bacteria and pollen. Ideal for customers with apartments, window units, campers, and RVs. Antimicrobial high capacity, polyester material with an added layer of smooth poly blend electrostatic filter media For filter installation the air enters thru the fuzzy, high loft side and exits out the thinner, smooth side. Made in the

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Unfortunately I ended up being very disappointed with this purchase, after about two weeks of use, it just stopped performing. Not sure what happened but it just stopped releasing the ball and I don't know why, it had no flexibility left to it. I'm not doing a very good job of trying to explain why it quit working but suffice it to say, it became useless after a couple of weeks. Broke my neighbors dog's heart, lol.

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Reviewed in the United States on November 20, 2025