Katadyn provides an easy way to keep your whole camp hydrated! Fill up the bag, hang it up, then let gravity do the rest of the work. The Ultra Flow Filter Technologyå_å_ purifies your water as you fill up your bottle or cup at a speed of 2 liters/minute. Includes: Waterbag, removable filter protector, 48" outlet hose and on/off output hose valve. Gravity Camp 6 L: 10" x 6". Weight: 11 oz. (empty). 6 Liters.|Base Camp Pro 10 L: 10.6" x 6". Weight: 12.4 oz. (empty). 10 Liters.|Ultra Flow Filter Replacement: Compatible with Gravity Camp 6 L and Base Camp Pro 10 L. Removes bacteria and cysts such as Giardia & Cryptosporidium. 0.2 micron Ultra Flow Filter pleated glassfiber. A cleanable filter protector lengthens the lifetime of the filter element so it can clean up to 1,500 liters of water. Suited for turbid conditions. Not compatible with Base Camp Filter. Purchase the Base Camp Upgrade Kit for use with older Base Camp model.|Base Camp Upgrade Kit: Upgrades your Katadyn Base Camp Microfilter System for an improved flow rate of up to 2.0 Liters. Includes: Ultra Flow Filter Element, filter cap, quick release hose attachment, hydration bladder quick connector and carry bag.|Shower Adapter: Converts Katadyn Gravity Filters into camp showers! Fits standard 63 mm wide-mouth openings. Works with Gravity Camp 6L, Base Camp Pro10 L and the older Katadyn Base Camp Filter.