★★★★★ 5
Will buy again!
What a perfect replacement and they fit just right.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 12, 2026
Fingertip Pulse Oximeter Contec CMS50D OLED
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Fingertip Pulse Oximeter Contec CMS50D OLEDCompact SpO2 & Pulse Monitoring Device Fingertip Pulse Oximeter Contec CMS50D OLED The Fingertip Pulse Oximeter Contec CMS50D OLED is a compact device used to check oxygen saturation and pulse rate through the finger. This fingertip pulse oximeter is useful for hospitals, clinics, OPDs, home healthcare, respiratory care units and quick spot check monitoring. The device shows SpO2, pulse rate, pulse waveform and bar graph on a 0. 96 inch dual color
Quick Dispatch:
Your Fingertip Pulse Oximeter Contec CMS50D OLED orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your Fingertip Pulse Oximeter Contec CMS50D OLED ships.
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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]
- Please click here for more details>>> Return & Exchange Policy
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4.1 ★★★★★
Based on 153 reviews
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Product Reviews
★★★★★ 5
Easy to install and works perfectly
Great price. It does what it's supposed to do. Keeps my air flow clean. Super easy to install, I can't believe mechanics charge to do this. Once you see how easy it is, you'll save yourself that expense. The material is top-quality charcoal, so it cleans all the nasty mold particles from getting into the vehicle. There is no smell, and that is a plus.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Perfect fit
Perfect fit and good construction
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Works
Works as it should.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Good and easy filter replacement
Filter was great and easy replacement
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 27, 2025
