Features: Easy to Use: Put the water inlet pipe into the unfiltered water source and manually press to filter. The filtered water can be directly drunk. PPerfect Design: Water pumping handle makes it convenient for you to take water. It is also equipped with a portable bag for convenient storage when not in use. High Quality Materials: The special rubber on the side and bottom of the pump helps to maintain a solid and durable surface when the pump is used and improves durability. The housing is made of high-quality ABS material. Excellent Performance: Ultra fast flow rate up to 1400 ml (58 oz) per minute; The water filter pump can filter up to 5000 litres of water before replacing the reusable carbon filter. (Different water quality varies) Extensive Practicability: Our water filter system works without electricity and will quickly convert rainwater lake water and river water into clean drinking water to meet your various outdoor water needs. Specification: Product Name: Outdoor filter straw Product Weight: 254G Filtering Precision: 0.01 m Clean Water Flow: 1400ml/min Product Material: Food grade ABS Purified Water Capacity: 5000L (different water quality) Product Filter Element: Filter membrane filter cotton activated carbon (carbon fiber filter layer) Scope of Application: Hiking camping and exploration fishing and outing outdoor operation cycling prevention reserve etc Size: 22 * 14 * 5CM Unfold Size: 81*49*235mm Note: According to different water quality the purified water capacity will vary. includes: 1*Water Filter