For supplying camp drinking water, the BeFree 3.0L is ideal. It is superlight to fill. The Filter removes bacteria, cysts and sediment with its pore size of 0.1 micron (0.0001 mm). The integrated carry handle allows it to be transported easily from your water source to your campsite. The collapsible flask packs small to fit into tight spaces and only weighs 100g. The Output is up to 2L/min. and the capacity up to 1000L, depending on the water quality. 100% PVC and BPA free. Its large volume allows it to supply water to larger groups without a problem and is suited perfectly to serve in a mini-base camp or for a family outdoor outing. Easily clean the EZ-Clean MembraneTM by simply shaking or swishing the filter in water. No backflushing or tools necessary.