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Description
OptiPure SCLX2-4, 252-60220, 20 inch Jumbo ScaleX2 CartridgeSCLX2 4 This part is obsolete and no longer made, please see alternative SCX 4520 Part # 252 60220 The SCLX2 4 is a 4. 5 x 20 Drop In cartridge that utilizes ScaleX2, a chemical free scale inhibition technology that utilizes Template Induced Crystallization to effectively inhibit the formation of calcium carbonate scale. This cartridge is ideal for applications requiring up to 4 gpm flow. In most cases, the cartridge will perform for one year between
SCLX2-4
This part is obsolete and no longer made, please see alternative SCX-4520
Part # 252-60220
The SCLX2-4 is a 4.5” x 20” Drop-In cartridge that utilizes ScaleX2®, a chemical-free scale inhibition technology that utilizes Template-Induced Crystallization to effectively inhibit the formation of calcium-carbonate scale. This cartridge is ideal for applications requiring up to 4 gpm flow. In most cases, the cartridge will perform for one-year between filter changes.
Applications
BOILER-BASED STEAM GENERATORS
TANKLESS WATER HEATERS
Replacement Cartridge for:
► OptiPure SX2-12B - 160-50144, SX2-22B - 160-50143
Features and Benefits:
• ScaleX2® acheived a 99.6% effectiveness rating when tested by an independent laboratory against the international protocol for scale prevention.
• Reduces maintenance frequency and cost, and extends equipment life.
• Protects boilers, steam generators and coffee equipment against the formation and accumulation of calciumcarbonate scale.
• Generates less waste, only the drop-in cartridge is replaced. No discarding of metal or plastic quick-change filters.
• Replacement cartridge cost per gallon is much less than proprietary quick-change filters.
• NSF Certified under Standard 42 as replacement cartridge in OptiPure SX2 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:
- 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
4.2 ★★★★★
Based on 29 reviews
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Product Reviews
★★★★★ 5
Withstands very aggressive chewing
Color: Blue
We have a very active and aggressive chewer. Items identified for aggressive chewers are “Gone in 60 Seconds”. This toy is amazing. It has withstood Jake’s many attempts to destroy it and is one of his favorites! It is not hard like acrylic but is hard rubber with some give decreasing risk of fractured teeth. Best toy yet!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 8, 2026
★★★★★ 4
Well loved
Color: Blue, Color: Blue
We just got this sweet girl from the shelter a few days ago. She's had this toy for 2 days and already chomped off one of the legs. She does have other toys so she doesn't play with this one all the time but she does like it a lot! It's very hard and durable on the ends. But as you can see, it's not indestructible. She carries this little guy around the house like they're BFFs. It's super adorable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 3
Dog likes it, but is very hard material around smaller dogs when he is playing and running
Color: Blue
My 22lb dog loves this chew. We have owned it just for one day. He immediately loved it and he races through the house holding it in his mouth like a grand prize.
I have concerns to the hardness of the ends of it, the material is very hard, and the tail comes to an end shape that could hurt other pets in a multidog home if it hit or stuck in them. I have two smaller chihuahua dogs, one who has lost an eye so this is something to be careful about with other dogs running with this toy. This may not affect a one dog home. Best to observe the dog while playing with it around others.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Strong and holds up to aggressive chewing
Color: Blue, Color: Blue
This was a fast favorite for our extremely aggressive chewer ('indestructible' toys are typically destroyed within hours)... this has survived about a week and still going strong.
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Reviewed in the United States on May 27, 2026
★★★★★ 4
My dog is a very aggressive chewer.
Color: Blue
My dog is an aggressive chewer and this lasted about 3 weeks before he started to get into the plastic and I had to throw away. It lasted longer than other chew toys so it was good. However the tail makes it easier for him to chew off into pieces. He gets nervous and needs to chew on something. I find the hard cheese sticks a better option for his nervousness.
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Reviewed in the United States on May 25, 2026
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