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The AF-ORING25 O-Ring for small Cascadian 2nd Generation POU systems. Image


O-Ring for small 2nd Generation POU systems

The AF-ORING25  O-Ring fits 2nd generation Small / Point of Use ICS systems sold from October 2019.

2nd Generation ICS POU Water Treatment Systems include;


It is recommended to have a spare O-Ring at all times. This O-Ring will not fit 1st generation POU (Point Of Use) treatment systems.

Small / POU 2nd generation systems that use this O-Ring look like this. Please check that the overall length of your system is less than 15 inches.

Determining Your ICS's Generation

This will point to a page that explains the differences between gen 1 and gen 2

  • Eco-Friendly

    No water waste

  • Legal Everywhere

    Our filters can be used where salt softeners are banned

  • Easy Maintenance

    Change filters once or more per year

  • 60 Day Guarantee

    Return it, not questions asked

Rely on our expertise to deliver the simplest water treatment

– Cascadian Water has served the needs of our community for nearly 30 years