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Ships within 48 hours · Estimated delivery Jul 12 - Jul 17
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Description
Aqua Master Tools E50 Pro EC Temperature ElectrodeDescription Aqua Master E50 Pro pH Temp Electrode Directions Directions: Properly unscrew the sealing ring in the lower part of the meter. Remove the defected old electrode by gently pulling it. Carefully place the new electrode with the recess in the correct position so that the connectors properly connect and do not damage the meter or electrode. Check that the rubber seal is properly placed. Tightly tighten the sealing ring. Calibrate the meter as
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- Free Standard Shipping on $100+ Orders to the USA.
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- We offer a 30-day return/exchange service after receiving.
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4.5 ★★★★★
Based on 1425 reviews
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Product Reviews
★★★★★ 5
Excellent, well built filter at a low price
Size: (Pack of 1)
An excellent build quality filter, especially for the money. Definitely top three along with Mobil-One and WIX filters. However, the regular WIX/NAPA Gold has much better filtration efficiency at smaller microns. The WiX XP has much better dirt capacity than either, but actually has lower filtration efficiency than regular WIX. Both are better in their own ways than the Purolator Boss at a few dollars more, but this is still MILES better than Fram or Bosch or STP (or god forbid, SuperTech), etc. and usually the best at a low price on Amazon.
If you run long change intervals like 7,500-10,000mi, spring the couple extra dollars for the WIX XP for the dirt capacity.
If you want the absolute best filtration efficiency (me) for a 3,000-5,000mi interval, get the regular WIX/NAPA Gold.
I don't recommend change intervals longer than 10,000mi, though I still use Mobil One Extended (best value, 20,000mi rated) or Amsoil Signature Series (25,000mi rated but expensive) for the extra protection.
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Reviewed in the United States on January 1, 2026
★★★★★ 5
Quality filter.
Size: (Pack of 1)
I have been using these filters for years on my Grand Caravan. Wait till they go on sale and stock up on them.
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Reviewed in the United States on May 17, 2026
★★★★★ 4
Good OEM replacement, but check the contents
Size: (Pack of 1)
This filter was perfect for my 2020 ram 1500, however I had to get a replacement because the gasket was not included in the box as delivered. I contacted the seller and they replaced it within two days. The replacement unit had both the filter, and the gasket in the box it should've been.
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Reviewed in the United States on June 27, 2025
★★★★★ 5
Good price
Size: (Pack of 1)
Just as described, good price.
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Reviewed in the United States on May 22, 2026
★★★★★ 5
Well made filter.
Size: (Pack of 1)
High quality manufacture.
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Reviewed in the United States on May 14, 2026