With back-flushing filter, durable survival straw, robust construction body, this water filter is long lasting. Manufacturer: MoKo. Special feature: Portable. Special Features: Portable. Produces a super-fast flow rate of 600 ml (0.13 Gallons) per minute, replaceable Carbon Filter can be re-used up to 3,000 Liters(660 Gallons) before replacing.
eBay