FAQ
How many people is the BeFree Gravity 10.0L suitable for?
Capacity is 10.0 liters. The product description recommends it for groups of 5–10 people, at up to 2 L per minute, and it suits group activities and family camping.
Can the BeFree Gravity 10.0L connect directly to a hydration bladder?
Yes. The product description lists an included adapter kit that lets you put filtered water straight into a hydration bladder. It also comes with a soft hose, flow control valve, shoulder strap and storage bag.
Can the BeFree Gravity 10.0L filter viruses?
The product description does not list viruses. The listed targets are bacteria, protozoa, cysts, sediment and microplastics, with a 0.1 micron filtration pore size. It should not be relied on for virus protection; if virus contamination is a concern, the water needs separate treatment.
What does the BeFree Gravity 10.0L filter out?
The cartridge is a 0.1 micron hollow fiber membrane. The product description lists removal of bacteria, protozoa, cysts, sediment and microplastics, at up to 2 L per minute.
How long does the BeFree Gravity 10.0L cartridge last?
The specification lists a cartridge life of about 1,000 liters, depending on source water quality. When the flow rate drops noticeably, first clean the cartridge: fill the pouch with water, reattach the cartridge and shake it vigorously, or hold the cartridge and swish it in water to clean it; untreated source water can be used. However, the outlet (mouthpiece) must not touch untreated water; keep it clean after cleaning. Hold the pouch end lightly while swishing — do not squeeze the filter itself.
How do I clean the BeFree Gravity 10.0L cartridge when the flow slows down?
Fill the pouch with water, reattach the cartridge and shake it vigorously, or hold the cartridge and swish it in water to clean it; untreated source water can be used. However, the outlet (mouthpiece) must not touch untreated water; keep it clean after cleaning. Hold the pouch end lightly while swishing — do not squeeze the filter itself. Do not rinse it horizontally under tap water, squeeze it by hand, or touch the hollow fiber membrane with tools or fingers.
How do the BeFree Gravity 3L, 6L and 10L differ?
Capacities are 3, 6 and 10 liters, weighing about 192, 263 and 284 g, and the 10L is the heaviest at about 284 g. The cartridge is the same 0.1 micron, with a life of about 1,000 liters. The product descriptions for the 6L and 10L also list an adapter kit.
How does the BeFree Gravity 10L differ from the Base Camp Pro 10L?
Both are 10 liters at about 2 L per minute. The Gravity uses a 0.1 micron hollow fiber membrane, with a life of about 1,000 liters; the Base Camp Pro uses 0.2 micron glass fiber, with a life of about 1,500 liters, and weighs 350 g.











