Aquaguard Filter Replacement Cartridge The Curve Salt Blocks are

The Curve Salt Blocks are designed perfectly to fit into the HarveyArc

Harvey original block salt is designed for most block salt water softeners - including non Harvey Systems and Kinetico water softeners

This Harvey Water Softener salt is delivered direct from Harvey Water Softeners and is  sourced from trusted suppliers

The average use of this product is one block per person per month

This original block salt is compatible with most other non-Harvey water softeners including:

Aquaguard Filter Replacement Cartridge The Curve Salt Blocks areThe Aquaguard Filter Replacement Cartridge is a Replacement filter cartridge for the Kinetico AquaGuard Water Filter. This filter is a carbon filter.