Key points: 1 Innovative ultrafiltration technology: The outdoor pump water filtration system uses a 0.01-micron medical-grade hollow fiber ultrafiltration membrane to remove up to 99.99% of tiny substances, particles and sediments. Composed of coconut activated carbon fibers, it effectively removes harmful substances and odors from natural water, making it safe to drink even in the wild2 Outdoor equipment: Our water filtration system works without electricity, the flow rate is up to 1400ml per minute, and the mountain water filter pump can filter up to 3000 liters. Quickly convert rainwater, lake water, and river water into clean drinking water. It can provide delicious pure water to meet your various outdoor water needs. 3 Routine maintenance: After using for a period of time, you can open the filter element, rinse with clean water repeatedly to remove stains, and the filter will return to a new state4 Person Portable Filter Pump: The outdoor water purifier pump has a net weight of about 255g and a size of about 3.15 X 1.92 X 6.69 inches. It can easily fit into a backpack to carry with you and keep your water on. 5Easy to operate: Lightweight and portable, easy to use and easy to carry. Just dip the straw in water and pull the handle up and down to get clean and drinkable water. Features: 1. Lightweight and portable, easy to use and carry. 2. Simple operation, just dip the straw into the fresh water source, then pull the handle up and down to get clean and drinkable water. 3. Replaceable carbon filter for safe drinking water. About 55 x 44 x 23.5cm/21.6 x 17.3 x 9.3 Packing list: Water filter set x 1 Note: Due to the lighting effect and shooting angle, the product has color difference, please understand. Due to manual measurement of t, there are tolerances in product dimensions.Brand: no brandCategory: Portable Water Filters and Purifiers Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.