The LifeStraw Peak Series Gravity Water Purifier is a portable, high-capacity water purification system that removes viruses, in addition to bacteria, parasites and microplastics from drinking water. This rugged, 8L system boasts a high flow rate of 30L/hr and has a lifetime capacity of 18,000 liters - about five years of safe drinking water for a family of five. The product is ideal for emergency preparedness and survival situations as well as camping, adventure and international travel. The kit includes a leakproof cap, custom backwash syringe, and hang strap with carabiner for easy hanging and carrying. The system functions exclusively off of gravity and does not require any pumping, batteries or power sources. The LifeStraw Peak Series Gravity Water Purifier is a portable, high-capacity water purification system that removes viruses, in addition to bacteria, parasites and microplastics from drinking water. This rugged, 8L system boasts a high flow rate of 30L/hr and has a lifetime capacity of 18,000 liters - about five years of safe drinking water for a family of five. The product is ideal for emergency preparedness and survival situations as well as camping, adventure and international travel. The kit includes a leakproof cap, custom backwash syringe, and hang strap with carabiner for easy hanging and carrying. The system functions exclusively off of gravity and does not require any pumping, batteries or power sources. Features: REMOVES VIRUS, BACTERIA + PARASITES: the Ultrafilter Membrane protects against viruses (Rotavirus, Hepatitis A), Bacteria (including E.coli + Salmonella), Parasites (including Giardia and Cryptosporidium), Microplastics, sand, dirt, and cloudiness HIGH FLOW RATE: 30L/hr from gravity - no pumping or external energy source required. LONG LASTING: The ultrafilter membrane has a lifetime capacity of 18,000 liters - about five years of safe drinking water for a family of five INCLUDES: 8L gravity bag with carry strap and carabiner, 1.2m hose, Ultrafilter membrane, adapter to enable direct filling of water bottles with 28mm standard threading, prefilter basket, leakproof cap and backwash syringe LifeStraw is proud to be a B Corp and Climate Neutral Certified brand, For every purchase, a child in need receives safe drinking water for an entire year Specs: Dimensions: Hose Length: 1.2 m / 47.2 in Weight (total system): 750g / 26.4oz Height: 189.7cm / 74.7 in Volume: 8L / 2.1 gal LifeStraw Membrane Ultrafilter Protects Against: 99.99% of viruses (Rotavirus, Hepatitis A) 99.999999% Bacteria (including E.coli + Salmonella) 99.999% Parasites (including Giardia and Cryptosporidium) 99.999% Microplastics, sand, dirt, and cloudiness Meets US EPA & NSF P231 drinking water standards for the removal of viruses, bacteria, and parasites BPA Free, FDA approved, premium materials Pore size: 0.02 micron