Harvey TwistLock Water Filter Replacement Cartridge Block plus a built-in filter life

plus a built-in filter life indicator for early notifications to change the filter

a more compact salt block that’s easier to move about and store away

W2B780 and W2B900 Water Softeners

Installation kits provide all the basic fitting you need for a water softener installation

2 or 3 extra cartridges to ensure you are stocked up

Harvey TwistLock Water Filter Replacement Cartridge Block plus a built-in filter lifeFilter cartridges remove the taste of agents and sediments from your drinking water, turning it clean and fresh. Made from coconut shell carbon and super easy to install in the filter head. This is our updated water filter replacement cartridge with a TwistLock cap to fit our latest Harvey filters. Filter cartridges last between 10 and 12 months so you can ensure you're enjoying fresh filtered water straight from your tap all year round. Carbon