Omnipure Cartridge Clearance Sale! Our remaining Omnipure products are on sale and deeply discounted. If we've been your Omnipure source, now's the chance to stock up* and save big as we clear our our inventory!*A limited number is available for certain models
Designed specifically for use with Aqua-Pure AP430SS system, the AP431 uses polyphosphates to inhibit hard-water scale buildup.
This cartridge system is ideal for any size home and light commercial use and features a multi-application design which is effective on all types of hot water systems.