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YF-S401 Water Flow Sensor 0.3-6L/min

Marsoni M251S
Sale price$125.00
Pay 4 payments of $31.25 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
YF-S401 Water Flow Sensor 0.3-6L/minWater flow sensor consists of a plastic valve body, a water rotor, and a hall effect sensor when water flows through, the internal rotator will change its speed with different rate of flow and hall effect sensor outputs the corresponding pulse signal. Use with laser cutters or CNC to measure if and how much water is flowing through laser tube or CNC spindle for cooling. Specifications Working Voltage: DC 5V~24V Maximum Working Current: 15mA @ 5V DC
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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.
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4.3 ★★★★★
Based on 461 reviews
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K
Verified Purchase
Kathleen Regan
Pawtucket, US
★★★★★ 5
The BEST pillow you will ever sleep on!!
The BEST pillow you will ever purchase!! Right amount of firmness and support yet soft!! Quite the sleep enhancer!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 27, 2026
G
Verified Purchase
Gardening 1
Grantham, US
★★★★★ 1
FLAT
Flat as a pancake. No support. No fluff. very incomfortable. Returning,
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 1, 2026
M
Verified Purchase
Magpie
Grantham, US
★★★★★ 3
Get their newer version. These were too flat.
Really thin/flat pillows
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
A
Verified Purchase
Amazon Customer
Los Angeles, US
★★★★★ 2
Not great
I bought these pillows based on customer reviews. I got them and let them poof out after opening... But they are awful. They're soft but there's nothing to them. Very flat and not supportive. I'm literally buying different pillows tomorrow.
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Reviewed in the United States on April 25, 2026
C
Verified Purchase
Chrissy27
West Palm Beach, US
★★★★★ 5
Excellent
Extremely comfortable pillows. I would highly recommend
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Reviewed in the United States on May 25, 2026

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