This kit contains complete replacement parts for the Exstream Water Purification Bottles; Pre-Filter, Cyst Filter and ViruStat Cartridge. - Change the ViruStat Cartridge after 200 refills - Change the Cyst and Pre-Filter when water flow becomes constricted

Manufacturer Website:
www.katadyn.us

Manufacturer Warranty Information:
No warranty.

Katadyn 8011555 Extreme Purifier Bottle Accessory Virustat Kit (Complete Purifier Kit) / Water Treatment & Transport > Filter & Purifier Accessories / Katadyn 8011555