OptiPure CTOS-19.5, 252-20225, Cuno Length, Carbon Filter, IsoNet® Scale Inhibitor
SKU: 59189454821

OptiPure CTOS-19.5, 252-20225, Cuno Length, Carbon Filter, IsoNet® Scale Inhibitor

$63.00 $70.00
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Ships within 48 hours · Estimated delivery Jul 8 - Jul 13

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Description

OptiPure CTOS-19.5, 252-20225, Cuno Length, Carbon Filter, IsoNet® Scale Inhibitor**FILTERS SOLD INDIVIDUALLY** CTOS 19. 5 **DISCONTINUED** Part # 252 20125 The CTOS 20 is a 20 Drop In cartridge that reduces sediment down to 0. 5 micron and reduces chlorine, taste& odor at a flow rate of 3. 0 gpm for 30,000 gallons. The cartridge includes IsoNet, OptiPures patented scale inhibiting technology, which delivers consistent protection against the precipitation and accumulation of scale and provides a protective barrier to help guard

**FILTERS SOLD INDIVIDUALLY**

CTOS-19.5

**DISCONTINUED**
Part # 252-20125

The CTOS-20 is a 20” Drop-In cartridge that reduces sediment down to 0.5 micron and reduces chlorine, taste& odor at a flow rate of 3.0 gpm for 30,000 gallons. The cartridge includes IsoNet®, OptiPure’s patented scale-inhibiting technology, which delivers consistent protection against the precipitation and accumulation of scale and provides a protective barrier to help guard against corrosion.

Applications

ICE MACHINES

COFFEE BREWERS

STEAM EQUIPMENT

Alternate Part Numbers:
 
Features and Benefits:
• IsoNet® - OptiPure’s patented scale inhibiting technology protects equipment against scale and corrosion.
• Reduces maintenance frequency and cost, and extends equipment life.
• Gradient-density depth filtration reduces dirt, rust, and other debris as small as 1/2 micron to assure clean, clear water and protect solenoids, valves and other fittings against wear and plugging.
• Activated carbon filtration makes water taste great and protects equipment against corrosive chlorine.
• High capacity cartridge extends filter system life reducing maintenance frequency.
• Improves equipment operating efficiency by reducing scale and corrosion.
• Generates less waste, only the drop-in cartridge is replaced. No discarding of metal or plastic quick-change cartridges.
• Replacement cartridge cost per gallon is much less than proprietary quick-change filters.
• NSF Certified under Standard 42 as replacement cartridge in OptiPure FXI series systems.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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
SKU: 59189454821

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4.4 ★★★★★
Based on 197 reviews
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Product Reviews
H
Verified Purchase
hellothere
Dallas, US
★★★★★ 5
Dog loves these
Size: X-Small (Pack of 1)
These are the best chew toys. They are reasonably priced and last a long while. Fast shipping.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 8, 2026
V
Verified Purchase
Vanessa
Lexington, US
★★★★★ 5
Made for aggressive chewers
Size: Small (Pack of 1)
My aggressive chewers are obsessed. This is one of the only chew toys that actually lasts for them. Always have to buy 2 so they each have their own
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 28, 2026
J
Verified Purchase
Jessica
Los Angeles, US
★★★★★ 5
My dogs love these sticks!
Size: Large (Pack of 1)
My dogs love these sticks! We buy them constantly because they chews on them daily and must stash them all over the house.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2026
A
Verified Purchase
Amazon Customer
Whiting, US
★★★★★ 3
Not interested
Size: Large (Pack of 1)
My dog is not very interested in it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 13, 2026
E
Verified Purchase
Ellie
Belleville, US
★★★★★ 5
If you have a chewer - This is the bone for you!
I have purchased this bone three times and thought it was about time I wrote a review. My dog is a chewer - No matter how tough the toy claims to be, he rips it apart in minutes. And although he has a few hard bones, he prefers the toys he can damage. I received this bone as a gift and expected it to be another one that would fall into the pile of rarely touched bones. But this is the bone that he grabs almost every day. I honestly don't know what makes this bone different, but he loves it! It holds up to heavy duty chewing no matter how much he chews it. It holds its shape and (apparently) its flavor. Little bits do break off and it shows wear over time, but it is very long lasting. Added bonus - As a dog parent, I love that it has no smell and it never gets wet/sticky/gross.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2025

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