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Platypus GravityWorks 4.0L Replacement Reservoir Kit - Moosejaw
 
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Platypus GravityWorks 4.0L Replacement Reservoir Kit
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Platypus GravityWorks 4.0L Replacement Reservoir Kit

Platypus GravityWorks 4.0L Replacement Reservoir Kit is rated 3.8 out of 5 by 18.
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Product Description
Item No.   10238363

FEATURES of the Platypus GravityWorks 4.0L Replacement Reservoir Kit

  • Filters four liters in 2.5 minutes
  • 8L capacity lets you easily transport and store water for groups
  • Backflushes in four seconds, maintaining optimal performance with no additional parts or tools required
  • Proprietary Platy zip opening collects water easily–even in challenging situations
  • Clean storage reservoir with shutoff clamp makes dispensing water a breeze
  • Create a custom system to meet your personal needs using our wide range of accessories
  • Meets all EPA and NSF guidelines for the removal of Bacteria and Protozoa, including Giardia, Cryptosporidium, E. coli, Salmonella and Cholera
  • Field cleanable

Product Specifications
Features: Made in USA
Weight: 5.4 oz
Material Details: Urethane and Food-grade Polyethylene
Disclaimer: We only ship this brand to US Addresses.
Best Use: Camping
Pack Capacity: 4 Liters / 244 Cubic inches
Product Reviews
Rated 5 out of 5 by from Extra Bags for a Good System Bought these to expand water capacity for Boundary Waters basecamping. I've used the gravity works system for a few years and it's done really well. I bought these to increase the amount of water we can have at camp. For larger groups it's good to have the extra filtered and ready to filter water these extra bags provide close at hand; especially when the mosquitoes are out by the lakeside.
Date published: 2023-02-15
Rated 5 out of 5 by from Love my GW I have used Gravity Works for years and they have never failed me. The extra weight is worth it.
Date published: 2023-01-29
Rated 4 out of 5 by from Difficult to dry Hands down the best water filter I’ve ever used in 30 years of drinking from backcountry streams and lakes. It’s miraculously easy to set up, walk away and the next time you glance at it you have four liters of clean, clear, and tasteless water. My only gripe is why can’t the Clean reservoir have the same wide zip-loc opening as the Dirty reservoir to allow easier drying and cleaning? The little soda cap opening on the Clean reservoir doesn’t allow enough air exchange to permit proper drying in less than 2 days, promoting mildew growth and more frequent cleaning, which is also a pain because of the small opening. So close to five stars, but not quite.
Date published: 2022-11-08
Rated 5 out of 5 by from I recently purchased the 4l I recently purchased the 4l replacement reservoirs for my Platypus filter which had the 2l reservoirs. I used them on a backcountry hunt/camp. Unfortunately no pictures. They were a game changer. I love the ease of using the Platy system and the 4l size was great. Allowed us to fill our water bottles, make food, and some left over for hydration before having to make our way to the stream to refill. Odd that the clean res. didn't come with a cap though...?
Date published: 2022-10-05
Rated 3 out of 5 by from Seam Failure Great system but there is evidently some product quality issues that make it through as noted with some of these reviews. For me, the Clean bag has delaminated along one side of the hard threaded plastic. This results in water spraying everywhere when filling directly from the Clean bag, or newly filtered water leaking out of the Clean bag if it is being filled from the filter line at certain angles. Also as noted by others, I hear nothing back from the Cascade Designs warranty team after filling out about one form per year. I wouldn't complain about purchasing it a new bag if it were more reasonably priced.
Date published: 2022-07-21
Rated 4 out of 5 by from Sell the “dirty” reservoir only as an option I love the system, but the receiving reservoir is just a waste of money and resources. I filter directly into clean Platypus water bags (1 and 2 liter). You should sell just the “dirty” reservoir with a Platypus connector below the filter on the outlet hose.
Date published: 2021-11-05
Rated 2 out of 5 by from Expensive replacement for the simple parts of the system I'll start out by saying that I love my 4L Gravity Works filter system. It's an effortless and easy way to provide lots of water while camping with groups. The frustration that many people have with the thick stubborn zippers seems to be necessary to be able to resist the weight of 4L of water, and I have accepted that ease will not correlate well to the necessary resistance. The dirty bag I have no problems with, other than it is tricky to clean out the hose-attachment port. The clean bag, however, is impossible to clean out due to it being completely sealed besides the single tiny little opening through which you can add or release water. This means cleaning is limited to swishing around soapy water, and no way to ventilate or dry the entire bag to prevent mold from growing. I would prefer a second bag with a large mouth opening so I could at least clean out this bag properly, which is why I would not recommend this product if you need a new clean bag (if you need a new dirty bag, I supposed it could be worth the purchase). Instead just buy the 4L water tank as this will serve the exact same purpose but be easier to clean.
Date published: 2020-03-25
Rated 5 out of 5 by from Works with Sawyer squeeze Purchased to use as bags for my sawyer squeeze and it works great. No issues so far with the tubing comparability and now I can use my sawyer as a gravity filter.
Date published: 2019-09-28
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