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OM Series Flowmeter - OM040S511-840M3
OM Series Flowmeter - OM040S511-840M3
OM Series Flowmeter - OM040S511-840M3
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OM Series Flowmeter - OM040S511-840M3

Marsoni M251S
Sale price$3052.50
Pay 4 payments of $763.12 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
OM Series Flowmeter - OM040S511-840M3OM Series Flowmeter OM040S511 840M3 FLOMEC OM Series Mechanical Meters are an extremely versatile flowmeter which accurately measures high and low viscosity fluids. With no flow conditioning required and a small footprint, the OM040S511 840M3 flowmeter allows for compact installation. An accuracy of 1% and 0. 03% repeatability regardless of viscosity changes make the OM Series an extremely proficient and reliable flowmeter in any conditions. The OM
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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4.7 ★★★★★
Based on 1731 reviews
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Product Reviews
E
Verified Purchase
Eduardo
New York, US
★★★★★ 5
Perfect fit, 11s running like new!
Style: with Pre-Filter
All parts fit perfectly. My vacuum lasts about 20 min longer since the filter isn’t clogging it. Also, replacing the spinning brush quieted it down significantly, it sounds like new again.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
K
Verified Purchase
kathp
San Leandro, US
★★★★★ 5
Replacement parts
Style: with Pre-Filter
Was so happy to find the replacement parts for my eufy robovac. Really makes a big difference in vac performance.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 5, 2026
A
Verified Purchase
Amethyst Cam
Bozeman, US
★★★★★ 5
Good quality and good value
Size: 2+6+1+12 Pack
this is a great deal and so nice to have on hand. I like being able to just grab replacement parts as needed and not have to place orders for them. It gives peace of mind to know I already have them on hand. much more affordable to buy all at once too 
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 29, 2025
J
Verified Purchase
Jack J
Omaha, US
★★★★★ 5
Works well
Size: 1+6+6 Pack
Fit perfect
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 11, 2026
L
Verified Purchase
liliana g.
Grantham, US
★★★★★ 5
Fits and works fine
Size: 1+6+6 Pack
Its a good deal for all the things it comes with.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 17, 2025

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