Platypus GravityWorks Filter Cartridge

The Platypus GravityWorks Filter Cartridge is filter to prevent from viruses. The cartridge weighs 1. 9 oz. It has effective down to 2 microns. The cartridge meets EPA guide standards for the removal of bacteria and protozoa. It also features approximate filter life of 1500 liter depending on quality of water filtered. When your filters cartridge is over then use this phenomenal cartridge for better safe water. It can be easily changed. The cartridge is easy to set up and easy to use. The design is also good. It filters water very well and rather quickly for gravity filter.