Aqua Pure Filters

The Aqua-Pure AP431 replacement cartridge is designed to reduce hard-water build-up on hot water-using appliances such as water heaters (standard and tank-less), clothes washers and dishwashing machines, and plumbing fixtures like faucets, pipes, and shower heads. By reducing scale buildup, the life of hot water systems, pipes and downstream plumbing fixtures is extended

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.