OM Series Flowmeter - OM040A511-261QPN

Marsoni

M251S

$1991.55

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

OM Series Flowmeter - OM040A511-261QPNOM Series Flowmeter OM040A511 261QPN FLOMEC OM Series Meters are an extremely versatile flowmeter which accurately measures high and low viscosity fluids. With no flow conditioning required and a small footprint, the OM040A511 261QPN flowmeter allows for compact installation. An accuracy of 0. 5% and 0. 03% repeatability regardless of viscosity changes make the OM Series a versatile meter. With a simple and reliable design concept using only two

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I installed once and it seems to work like a charm. I probably need to go rinse it off since it's been months--but I no longer have Honda telling me I need to replace an air filter when I go get an oil change. They tried but I knew it wasn't mine. LOL. Easy to install, and extremely good quality. No gaps in filter area either.

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Reviewed in the United States on March 11, 2026

Verified Purchase

Battle Creek, US

★★★★★ 5

Perfect fit for my fit

Size: 2" x 10" x 11"

Bought this for my Honda fit sport. Perfect fit for my fit. We shall see how it works out in the long run. I'm guessing every six months I'll wash it out, give it a light piling with the refresher kit I bought. The car doesn't get driven a lot during the year, so, doing it this way should be more than fine.

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Reviewed in the United States on April 22, 2026

Verified Purchase

P Patel

Louisville, US

★★★★★ 5

Premium, Reusable Cabin Filter – Worth It Long-Term

Size: 2" x 10" x 11"

I've been using the K&N Lifetime Washable Cabin Air Filter in my vehicle for several months, and here's my experience: Pros: Washable & Reusable: Eliminates the need for frequent replacements, saving money over time. Improved Airflow: Noticed a slight increase in airflow through the vents, enhancing cabin comfort. Odor Control: Effectively reduces musty smells, providing a fresher cabin environment. Cons: Initial Cost: Priced higher than disposable filters, but the long-term savings offset this. Cleaning Required: Needs periodic cleaning to maintain performance, which might be inconvenient for some users.

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Reviewed in the United States on June 25, 2025

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Alan Douglas Charles Cavanaugh II

Lowell, US

★★★★★ 5

Must have over other filters.

Size: 2" x 10" x 11"

Amazing KN never fails for cabin filter works great in my 2021 Honda Civic hatchback sport touring.Must have for the 10th Gen Civic better air flow in car and cleaner smell easy to wash and reuse.

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Reviewed in the United States on April 25, 2026

Verified Purchase

Martha Brown

Lake Worth, US

★★★★★ 5

Quality

Size: 2" x 10" x 11"

My brother put me onto these filters. Super easy to install. Also bought engine filter. One time expense. A bit pricey but cost covered if you were still buying paper ones in about 3 changes of paper ones. Will definitely pay for themselves. Highly recommend

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Reviewed in the United States on March 18, 2026