Replacement cartridge for use with your 3M™ Scale Inhibition Treatment System: 3MPF430. The 3MPF431 Cartridge helps extend the life of water heaters, water-using appliances and plumbing fixtures. The scale inhibition material helps prevent scale from adhering to pipes, lowering scale build-up and corrosion of pipes and fixtures. Less scale and corrosion means that water using appliances will last longer, require fewer repairs and will work more efficiently. Does not affect septic systems. Easy cartridge replacement -- screws on and off. Recommended Replacement Interval: Every 6 months.

Benefits

• Easy cartridge replacement -- screws on and off