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Hydro-Logic® DI Replacement Cartridges

Marsoni M251S
Sale price$39.95
Pay 4 payments of $9.99 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Hydro-Logic® DI Replacement CartridgesDe ionization post filter cartridges have a mixed bed of color changing DI resin. The housing is translucent so you can see the resin color. The cartridges reduce phosphates, nitrates, silicates and TDS. Maximum of 0. 25 GPM flow rate for an estimated life of 7,500 ppm. Cation and Anion DI resins 50 50. #741614 is 10 in x 2. 5 in and #741616 is 10 in x 4. 5 in.
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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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4.1 ★★★★★
Based on 1805 reviews
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Verified Purchase
Colleen P. Sisco
New York, US
★★★★★ 5
Works great with tennis balls
I have a pretty large yard, and this thrower is great for my little Jack Russel puppy. It even picks up ball without having to touch all the spit.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 14, 2026
M
Verified Purchase
Michael Wheeler
Alexandria, US
★★★★★ 5
Its awesome
Perfect 👌
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
M
Verified Purchase
Michele Z.
Chelsea, US
★★★★★ 1
Thing is absolutely garbage. Ball didn’t make it back once! Broke in half
Junk and they don’t follow through with the shipping that they claim. Said between 7am and 11am. Don’t post it if ya can’t fulfill your shipping expectations
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Reviewed in the United States on May 21, 2026
J
Verified Purchase
Julie Kennemore
New York, US
★★★★★ 4
Good toy for dogs
This is a great toy! I do wish the handle was a little longer because I do not have a lot of upper body strength due to health issues. I can still throw with this further than I can without the launcher so my dogs really love it and get excited any time I get this out!
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Reviewed in the United States on May 6, 2026
T
Verified Purchase
TATA
Fort Morgan, US
★★★★★ 2
Good throw, bad ball
Ball cracked open after first fetch.
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Reviewed in the United States on May 20, 2026

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