The 3M Cuno AquaPure AP431 helps prevent damage to your hot water heater from scale build-up. This replacement filter is easy to install and will get your system back up and running quickly. It inhibits lime-scale clogging and corrosion by trapping calcium and magnesium, the minerals responsible for hard water. Increase the efficiency of your water heater system, so it runs cleaner – saving you money on maintenance costs.
- Extends the life of your hot water system
- Saves money on maintenance costs
- 100% pure food grade (USDA approved)
- Withstands temperatures (up to 100°F)
- Installation
- Warranty