This replacement filter cartridge restores your Guardian Purifier’s flow rate, and lasts up to 10,000+ liters. Removes viruses, bacteria, protozoa, and particulates, like dirt and sediment.
Prop 65 O (Styrene): This product can expose you to styrene, which is known to the State of California to cause cancer.
https://mtn-sports.myshopify.com/pages/prop-65-frequently-asked-questions