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P, PolyHalt 35, 35 gpm K, Replacement Kit
Light Commercial, High Flow
ICS-CTP35K cartridge filter replacement kit for ICS-CTP35 System.
The ICS-CTP35K cartridge filter replacement kit is designed specifically for the Cascadian ICS-CTP35 treatment system and engineered to soften all the water for every use in large homes and businesses such as restaurants, hotels and agricultural processes.
Does not include Housing O-Rings
Includes Sil-Lube, replacement instructions, reminder card with timer.
Rely on our expertise to deliver the simplest water treatment
– Cascadian Water has served the needs of our community for nearly 30 years
No water waste
Our filters can be used where salt softeners are banned
Change filters once or more per year
60 Day Guarantee
Return it, not questions asked
Filter SubscriptionsFilter Subscription
Purchase your first replacement filters after a year with your system and select the subscription option to save time and 10% off.
Each product has specific capabilities and unfortunately can't treat every type of water. Find details on the specification.
Where does ICS go in my Home?
Where it can fit, and where it can easily get access to your home's water source. This is typically a garage, crawlspace, or even a closet. If you have questions a plumber would be able to help you find the best spot. During maintenance you'll need to fit a bucket and have enough space to turn the sump wrench which comes with your system.
How often do I replace the filters?
Most people replace their filters once per year, or sooner if they start seeing issues with their water again. Learn about water issues here
What is the return policy?
If you are unsatisfied within 60 days of purchase, return the housing and we'll refund your purchase no questions asked.
How fast do you ship?
We typically ship same business day if the order is placed before 2 pm PST using UPS ground.
Does this include housing o-rings?
No, the replacement kits do not come with o-rings.