Water filter system 2 stage filter against bacteria and chemicals dimensions 76 x 165 x 61 cm glass fiber filters anticlog cartridge does not need to be cleaned life 750 liters activated carbon possible to connect directly to a hydration pack includes bottle adapter and carry bag filter systems fibre glass actived carbon operation mechanical water treatment types of pest bacteria chemicals protozoa algae bad taste foul odor cysts hole size 02 micron ca