RapidPureA(R) 9L Gravity System Great for groups and camping, the RapidPureA(R) Purifier + 9L Gravity System gives you the power to filter and purify water a large volume of water quickly and easily. Adventure Medical simplified water purification with the POD system and UltraCeramA(R) purification technology. RapidPureA(R) purifiers combine OpenPore technology for fast flow rates with adsorption (natural magnetic attraction) to remove viruses, bacteria, parasites, sediment, and more. The updated POD purification design has an extended lifespan - to 200 gallons - and continues to work after being frozen for peace of mind if the temperatures suddenly drop. Simply fill the 9L gravity system for purified water without batteries, pumping, priming, or special maintenance. Features:Easy to Use - Simply fill and drink for purified water - no waiting, pressing, squeezing, priming, or back-flushing requiredVirus Protection - Treats water for viruses, bacteria, parasites, and more with UltraCeramA(R) technologyFaster Flow Rates - OpenPore technology uses adsorption (natural magnetic attraction) combined with larger pore sizes for easy drinkingUse Anywhere - A purifier can be used after being frozen. The POD system has extended cartridge lifespan to 75 gallonsGreat-Tasting Water - Activated carbons instantly remove odors and improve the tasteIn the Box:9L bag for waterHose6.5 Purifier cartridge 0160-0161 *Sold as an Individual