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Here's what other sites are saying:
This replacement filter cartridge keeps your Platypus GravityWorks(TM) or CleanStream(TM) water filter system (sold separately) operating in tip-top shape.
The Specs Dimension: 1.8 x 5.8in. / 4.5 x 14.7 cm Weight: 1.83 oz / 52 g
Maintain your GravityWorks Filter with the replacement GravityWorks Filter Cartridge from Platypus. This 0.2 micron filter meets EPA Guide Standard for removal of bacteria and protozoa.
- Mountain Gear
The Gravity Works Filter is effective down to .2 microns and meets EPA Guide Standards for the removal of bacteria and protozoa. Approximate filter life of 1500L depending on quality of water filtered.
- Appalachian Outdoors
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