Filterwell 6L TPU Waterdrop Gravity Fed Water Bag with Water Filter Straw for Camping Travel Backpacking Hiking and Emergency Packing List - 1* 6L Gravity Water Bag - 1* Blue Water Filter Straw - 1* Water Pipe - 1* Shoulder Strap - 1 * Bottle Adaptor Cap - 4 * Suction Mouth - 1 * Waterstop - 1* Water Pouch - 1* Nylon Carry Bag Product Features 1. TPU Safety Material Selected TPU material, soft and tough, folding storage. The water bag has large capacity, is not easy to break and can be used repeatedly. 2. Scale Line Marked with clear scale, not easy to fade,can directly observe the amount of water 3.The water inlet - 21CM Large caliber, fast water loading speed, it's easier to clean after use and prolong the service life. 4.Shoulder Strap Adjustable shoulder strap, waivable, not easy to break, hanging from a high place, it can be pulled out of the water by gravity. 5.Multiple filtering Multiple filtrations can improve the taste, remove harmful substances to human body and obtain pure water. 6.Replaceable Suction nozzle 4PCS Replaceable Suction nozzles, and it can be easily used separately from others. 7. Water bottle Swithching head Besides it can be connected to water bags as well as cola and mineral water bottles Usage Method 1.Straighten the mouth of the bag 2.Roll it down any number of times 3. It can also be directly hung, no need to Buckle 4.Connect the two sides of the buckle FAQ 1.Which water can be filtered? Suitable for mountain spring water, rivers, lakes, streams, groundwater, rainwater, snow water, surface water, tap water and other fresh water sources without chemical pollution. Seawater cannot be filtered, reverse osmosis can remove heavy metals and salts 2.How long can it last without use? It can be kept for 3-5 years depending on the date of purchase. 3.How many times or how long can be used? According to the filtration flow, about 4000 liters of water can be filtered. The visual clean water source is the data. The specific situation needs to be judged according to the water. 4.Can any water be filtered? Urine? pesticide? No, this is an outdoor emergency product that can filter the common flowing water mentioned above. Please use this product correctly Urine can be filtered reverse osmosis filters and deodorizes urine Pesticides cannot be filtered pesticide residues can be removed - not in high concentrations 5. Coke, Sprite, soy sauce, vinegar, wine, milk, ink, tea and so on It's a damage test, no warranty! Please do not filter these products containing acid dyes or pigments for testing, filtration will make them clear, but not completely colorless and transparent, and will damage the filter element to varying degrees. 6.Can the filter element be replaced? Yes, the pump-type filter element can be replaced. Other pipette types can only be extended by washing. It is recommended that the filter element be washed clean when not in use to extend the life of the filter element.