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Item # PTSE3202

Platypus GravityWorks 2.0L Bottle Kit Water Filter

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The Platypus GravityWorks 2.0L Bottle Kit utilizes innovative Hollow Fiber technology to offer pump-free water filtration. Perfect for backpacking or base camping, the system is compatible with almost any bottle or reservoir.


The Platypus GravityWorks 2.0L Bottle Kit utilizes innovative Hollow Fiber technology to offer pump-free water filtration. Perfect for backpacking or base camping, the system is compatible with almost any bottle or reservoir.

The ground-breaking Hollow Fiber Technology used by the GravityWorks 2.0L Bottle Kit enables it to efficiently and effectively filter 1.5 liters in just one minute! Simply fill the 2.0L reservoir marked "dirty", suspend it from a branch using the reinforced handles and allow gravity to filter the water into the receptacle of your choice. The GravityWorks 2.0L Complete Kit’s "dirty" reservoir has a quick-release fitting and an included Universal Bottle Adapter enables the system to work whatever bottle you like best.

The 0.2 Micron cartridge exceeds EPA guidelines and is completely field maintainable and long lasting, effectively filtering up to 1,500 liters of water (depending on water quality) before needing replaced! The GravityWorks 2.0L Bottle Kit can be backflushed in seconds to clear the filter of debris and the streamlined, lightweight filter housing is durable and saves on weight and space.

NOTE: The Platypus GravityWorks 2.0L Bottle Kit is effective against protozoa, bacteria and particulates. It is NOT effective against viruses.

The Platypus GravityWorks 2.0L Bottle Kit consists of a 2.0L "dirty" collection reservoir with a quick-release fitting, a GravityWorks Filter Cartridge, hoses, a Universal Bottle Adapter and a stuff sack.

  • Filters over one liter per minute
  • Adaptable to work with any hydration system
  • Color-coded Clean and Dirty components
  • SlimeGuard antimicrobial-treated reservoir
  • Modular Universal Bottle Adapter lets you take just the part that fits your bottle
  • Compatible with Nalgene, most Kleen Kanteens, MSR, Platy, Sigg and more
  • 2.0 liter Dirty Collection Reservoir with Quick Release fitting
  • GravityWorks Filter Cartridge
  • In-line Adapter and hoses
  • Universal bottle adapter
  • Made in USA
California residents: view proposition 65  Warning

Technical Specs

Best Use
Backpacking, Camping
Field Maintainable
Filter Material
0.2 Micron Hollow Fiber Technology
Flow Rate
1.5 Liters per minute
Protozoa, Bacteria and Particulates
Item Weight
7.2 oz-9.5 oz (depends on configuratioin)

6 Reviews

4.67 / 5


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Anthony L.


Excellent Water Filter


-Fast filling and durable bag design -Lightweight -Was able to adequately supply a group of 5 hikers for a multi-day backpacking trip -Hanging the bag for the gravity feed style system is vert convenient





Work great


Does what it is supposed to



Benjamin T.


Works well with hydration bladder


I haven't used this kit with a bottle, but it works well with a hydration bladder. That way you don't need a clean water bag and can just use your hydration bladder instead. I did have to buy an additional attachment to connect this to the hydration reservoir though.


Bottle attachments only work with some bottles.

J R.


So easy


No pumping, fills a liter bottle in 2 minutes, dirty bag fills fast, easy for a group. Took it for a week of backpacking with a group of four.


I didn't use the bottle attachment. Seems unnecessary

Eric A.


Big Opening for Cleaning


Zip opening allows easy cleaning and drying of bag. Compatible with most hydration packs.


Relatively expensive, but I first attempted to "build" a system and spent about as much.

Inside Edge Member



This product worked great on 5 day backpacking trip in Arkansas. Fills water bottles with ease and could hang additional 2 liters in camp for other needs. Much easier than pump filters.