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pH Pen Meter

Marsoni M251S
Sale price$176.54
Pay 4 payments of $44.13 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
pH Pen MeterSpecifications Hand Held Bench Model Hand Held PH Range 0 14 pH Data Logging Not Data Logging Not Data Logging Display Type Digital Temperature Measuring Range 32 140F (0 60C) Temperature Accuracy 1. 8F (1C) Temperature Resolution 0. 1F (0. 1C) PH Accuracy 0. 02 pH Resolution 0. 01 pH Dimensions 7. 3" x 1. 6" x 1. 6" (185 mm x 40 mm x 40 mm) Weight 3. 1 oz. Storage Temperature 14F 122F ( 10C 50C)
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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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4.8 ★★★★★
Based on 1137 reviews
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Product Reviews
A
Verified Purchase
Amazon Customer
Natrona Heights, US
★★★★★ 1
Too restrictive!
If you like air flow do not buy this filter. I put it in my 2020 Super duty and had very little air coming out with the fan as high as it would go. Stopped and bought the standard Microguard from Orielly's. I changed it in the parking lot and Bam!!! back to blowing my hat off!
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Reviewed in the United States on May 5, 2026
A
Verified Purchase
Amazon Customer
Lexington, US
★★★★★ 5
Great price
Both filters fit and worked and had a great price.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026
M
Verified Purchase
maria sames
Louisville, US
★★★★★ 5
Better then oem
Great product quality is definitely a plus had no issues. Been buying these for 3 years.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 19, 2025
C
Verified Purchase
Craig Miller
Belleville, US
★★★★★ 5
Quality filters
Perfect fit, no issues with the installation of these filters.
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Reviewed in the United States on March 8, 2026
A
Verified Purchase
Amazon Customer
San Leandro, US
★★★★★ 5
Prompness
Great job
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Reviewed in the United States on March 23, 2026

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