Carbon Block Pre-Filter Cartridge for Standard RO Systems. Features: 1/2-Micron carbon block pre-filter is a high-quality replacement for your existing carbon filter and works best with our 1-Micron dual density gradient sediment filter. 9-3/4″ Standard size cartridge includes rubber gaskets at both ends to ensure 100% water flow-through. Activated Carbon removes chlorine from most incoming tap water supplies for up to six months. Durable outer and core wrap keeps carbon secure throughout cartridge life. Item 330090.
Please note this cartridge will also fit the Tunze 8550