- Hollow fiber membrane
- Attaches to standard plastic bottle with internal 28 mm threading, can be used inline on hydration packs, gravity or bucket system, or used as a straw to drink directly from your water source
- Perfect for hiking, backpacking, camping, travel and for emergency situations
- Flow rate of 1 gallon in 5 minutes - which is a perfectly swift pace for the purified water you'll be recieving!
