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Platypus Gravity Water Filters

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Products (3)

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PlatypusGravityWorks Water Filter System - 4 L
$134.95
24 reviews with an average rating of 4.0 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
11.5 ounces
New arrival
PlatypusGravityWorks Water Filter System - 6 L
$154.95
0 reviews
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
12.3 ounces
PlatypusQuickDraw Gravity Filter System - 3 Liter
$99.95
30 reviews with an average rating of 1.9 out of 5 stars
Filter Type:
Gravity
Best Use:
Backpacking
Removes/Destroys:
Protozoa And Bacteria
Weight:
8.2 ounces
Get $130 in value

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Related Expert Advice articles

Do you need a water filter or water purifier?

Filters: Remove protozoa (Cryptosporidium, Giardia) and bacteria (E. coli, Salmonella)—main concerns in the U.S. and Canada.
Purifiers: Also combat viruses such as hepatitis A, rotavirus and norovirus.

Types of water filters

Bottle: Lightweight, quick and affordable. Water volume is limited by bottle size.
Gravity: Easy to use, handles large quantities of water, and has a replaceable element.
Pump: Precise, works in shallow water sources and has a replaceable filter but bulky and requires cleaning.

Ultraviolet light: Fast, no filter to replace; requires batteries and prefiltering for cloudy water.

Squeeze: Compact and affordable; water quantity is limited by reservoir size.

Chemicals: Inexpensive, ultralight backup method; long wait time and don't taste great.