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NONIN 9843 Handheld SPO2 & CO2, Recertified

Marsoni M251S
Sale price$418.25
Pay 4 payments of $104.56 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
NONIN 9843 Handheld SPO2 & CO2, Recertified9840 Series Handheld CO2 and Pulse Oximetry Monitor Fast, First Breath CO2 Detection Nonin Medical's CO2 monitors provide fast, first breath readings with proven accuracy and durability. Our portable 9840 Series combines proven pulse oximetry technology with reliable CO2 detection making it ideal for reliable spot check and continuous monitoring in numerous clinical settings including patient transport and emergency use. PRODUCT HIGHLIGHTS Versatile:
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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
4.6 ★★★★★
Based on 1356 reviews
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Product Reviews
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Verified Purchase
Danny Kyriazopoulos
Louisville, US
★★★★★ 5
Will buy again
Size: 4/0 AWG 10FT Red & Black, Size: 4/0 AWG 10FT Red & Black
Excellent . Bought these to install a 5000 watt inverter . Arrived a little late but these cables are exactly as described. I needed 10 ft but ended up using like 9 ft. These are extremely flexible and of very good quality . Highly recommended and will buy again
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 5, 2025
T
Verified Purchase
Terry D.
Massapequa, US
★★★★★ 1
Poor quality and false advertising in size
Size: 4/0 AWG 10FT Red & Black
A complete fraud. I ordered 4/0 but got 4 gauge. The description & picture was correct, but someone doesn’t know the difference in 4 gauge and 4/0. AND the jacket insulation was cheap and translucent, not solid color and supple/flexible. Poor product quality and completely misleading.
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Reviewed in the United States on October 16, 2025
A
Verified Purchase
Amazon Customer
West Palm Beach, US
★★★★★ 5
Inexpensive part and YouTube knowledge lead to quick fix
Size: 96158T-1PCS
Solenoid went out on boat. After viewing multiple videos on YouTube I figured that my solenoid was bad. Ordered this and received a day later. Replaced the other one and this worked perfectly.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 9, 2025
I
Verified Purchase
Ivar Andreassen
Chelsea, US
★★★★★ 5
Worked perfectly!
Size: 96158T-1PCS
Have an older Mercury 40hp 2 stroke. This Solenoid worked perfectly. It is not that easy to install, due to the design of the engine. It does require a bit of patient and the right tools to do it. If you have big hands and don't do this type of repair to often, call a friend that is better than you to get some help :) I have an older engine but it runs like charm. I will order an extra Solenoid and place in the box of "important spare parts" for the future. Very good experience for the purchase and overall quality of the part.
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Reviewed in the United States on January 14, 2022
M
Verified Purchase
me
Draper, US
★★★★★ 5
Perfect fit and works great
Size: 96158T-2PCS
Perfect fit and works great. It is great that it comes as a 2pk. I replaced both with no need to change wiring, and kept the working one I had, as backup.
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Reviewed in the United States on May 27, 2026

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