Platypus GravityWorks Filter Cartridge
Platypus GravityWorks Filter Cartridge, The Platypus GravityWorks Filter Cartridge is the engine to the filtration systems. It is recommended that you change out the filter about every 1500 Liters, but that all depends on the quality of water that you are pumping through it. The Filtration system is effective down to 0.2 microns and meets EPA Guide Standards for the removal of bacteria and protoza, leaving you with clean, filtered water all day long!