gravity filter reviews

Gear Review: Katadyn Base Camp Pro 10L Gravity Filter

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Katadyn Base Camp Pro 10L Gravity Filter
Katadyn Base Camp Pro 10L Gravity Filter

Water Filter
Katadyn Base Camp Pro 10L Gravity Filter
$100, 12 oz.
Moosejaw.com

Treating water in the backcountry is usually a time-consuming chore—unless you use a gravity filter, which, once assembled, does most of the work for you. On a four-day, 86-mile, ultralight backpacking trip in northern Yosemite National Park in early September, a friend and I found the Katadyn Base Camp Pro 10L gravity filter simple to use and speedy, and it has the capacity to quickly treat water for a larger group or a family.

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Gear Review: Platypus GravityWorks Water Filter

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Platypus GravityWorks Water Filter

Platypus GravityWorks Water Filter
$120, 12 oz. (including mesh stuff sack)
moosejaw.com

There are two things I don’t like about filtering water in the backcountry: the weight of a filter in my pack and the time that pumping water requires. The GravityWorks filter addresses both gripes, but especially the latter. Here’s a filter that requires no pumping. It’s easy: Fill the four-liter reservoir labeled “dirty” with water from a creek or other source and seal its opening. Hang it from a tree branch or set it on elevated ground. Attach the quick-release hose-and-filter unit to the dirty reservoir, and then the “clean” reservoir to the hose below the filter. When you set the clean reservoir down in a spot lower than the dirty one, gravity does the work of filtering for you.

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