Product Description Travel depends on portable electric water filters to purify water from lakes, rivers, or streams. A hiking water filtration system is a portable and reusable filter that doubles as an emergency water purifier during natural disasters when you cannot access clean water. A hiking water filter system keeps you hydrated. The package comes in packs of 1 survival water purification filter. Cleaning Method: Backwash with clean water after use, and blow air into the suction tube regularly to keep the filter clean and prevent it from clogging. Product parameters: Maximum Filtration Capacity: 12641.7 Gal (10000 L) Suitable Temperature: 0°C - 32°C (32°F - 90°F) Product Dimensions: 16.5 x 10.7 x 5.3cm (6.5 x 3.2 x 5.3inch) Filtration accuracy: 0.01 micron Voltage: 3-5v Purified water flow: 0.35-0.7l/min Flow Rate: 500 ml per minute Ways to Power: USB or 2x AA batteries（not contain） Packaging Information: 1 * Portable Electric Water Filter 1 * Hoses 1 * Tube Clip 1 * Storage Bag Please Note: 1. The service life of the water filters depends on the water quality and frequency of use. If the water quality is too poor, the filter straw may not reach the maximum filtration capacity of 2641.7 Gal (10000 L). 2. The portable water purifier cannot remove soluble chemicals or ions, in the water source, nor can it remove unsuitable salts in seawater, so please use it in freshwater.