Platypus GravityWorks 4.0L Filter System

Platypus GravityWorks 4.0L Filter System

Platypus GravityWorks 4.0L Filter System is rated 4.6 out of 5 by 34.
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4.5 Star Rating

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Product Description Item No.   10238362

The Platypus GravityWorks 4.0L Filter System is a water filter for the whole group. In 2.5 minutes, you've got 4L of water, ready to drink, cook with, clean a little. Your basecamp group will love getting put on water duty, because all they have to do is fill up the dirty bag with water from the source, then hang it higher than the clean bag, connecting the filter between the two. Then walk away, completing another task as you wait. Simple, easy, more time to enjoy your surroundings.

FEATURES of the Platypus GravityWorks 4.0L Filter System

  • Filters four liters in 2.5 minutes
  • Weighs in at just 10.75 oz (305 g)
  • 8 liter capacity allows you to easily transport and store water for large groups
  • Backflushes in four seconds, maintaining optimal performance with no additional parts or tools required
  • Proprietary Platy zip opening collects water easily, even in a pinch or crappy conditions
  • Clean storage reservoir with shutoff clamp allows for easy dispensing
  • Meets all EPA and NSF guidelines for the removal of Bacteria and Protozoa, including Giardia, Cryptosporidium, E. coli, Salmonella and Cholera
  • Clip webbing strap for easy handling, lifting, and carrying
  • Bold and color-specific "DIRTY" and "CLEAN" graphics for quick identification
  • Corner mounted valve for better packing
  • Field cleanable design
  • Made in USA of US and imported parts

- + Product Specifications
Features: Field Cleanable
Best Use: Camping, Hiking, Backpacking, Ultralight Backpacking
Weight: 10.75 oz
Effective Against: Protozoa and Bacteria
Cartridge / Cycle Life: 1,500 liters
Filter Type: Gravity
Filter Rate: 1.75 liters / minute
Ultralight: Yes
Manufacturer Warranty: Limited Lifetime
Disclaimer: We only ship this brand to US Addresses.
Rated 5 out of 5 by from Good water as easy as it gets I saw a kayak guide use one of these and it looked like a lot less effort than my pump type filter. It filters 4 liters quickly with no effort compared to 15 minutes or so of hand pumping to get a liter with my previous method. Excellent filter.
Date published: 2018-04-17
Rated 5 out of 5 by from Easiest Filtration Ever I used this for a week-long camping trip in the Boundary Waters Canoe Area Wilderness last fall. It worked great. There were 3 of us, so we went through a lot of water. We must have filtered at least 40 gallons over the course of the trip. The large 4-liter design made it easy to get enough water to fill our bottles, cook and do dishes. It only took about 10 minutes to filter the entire bag. I've used pump filters before this and will never go back to them. We used a designated "dirty" Nalgene to fill the bag which made that a snap. I'd seen some reviews about the grommets pulling out on the dirty bag, so I stuffed it in a mesh bag that originally held 10# of onions for hanging. Problem solved. I highly recommend this product.
Date published: 2018-04-08
Rated 5 out of 5 by from Sweet, cool, clean, water Very good product. Works good, packs up small, and add the charcoal filter and it's the bomb. Very easy to set up and use. Can have water before I'm done hanging my warbonnet
Date published: 2018-03-16
Rated 5 out of 5 by from I would buy this product again and again Best purchase ever, thank you so much!
Date published: 2018-03-06
Rated 5 out of 5 by from Filter all the water This filter is rad. The water filters quickly, the bags are easy to setup anywhere you need to with the straps, and the whole system is very durable. Looking forward to drinking safe, noncryptosporidium filled water for months to come.
Date published: 2018-03-05
Rated 5 out of 5 by from Awesome Filter I have used this filter on 5 or 6 backcountry camping trips now. It just plain works. I love being able to just fill the dirty bag and let it do it's thing. It works surprisingly fast. Light and easy to use.
Date published: 2018-03-01
Rated 5 out of 5 by from Buy it. Clean water clear mind. I set camp at 10800', water was at 10000'. I would filter clean bag, fill dirty bag and hike back to camp. Quick, easy, idiot proof. Invaluable tool. I enjoy all your gear. Well thought out, made well. I look forward to more vertical and more clean water for coffee.
Date published: 2017-12-12
Rated 3 out of 5 by from Great concept but design needs tweeking We purchased this for a backpacking trip along the Colorado. It saved less time and hassle over pumping than we'd anticipated. Because the filter can easily get clogged, and the drain port on the dirty water reservoir is at the very bottom, (poor placement), we wanted to avoid getting silt in the dirty water reservoir. So we gathered water in a different container to let the silt settle out. Also it is not practical to directly fill the dirty water container from a shallow source, such as along a sandy beach, and we didn't want to wade into the river up to our waists just to get water. Due to the very stiff zipper, (totally unnecessary and impossible to close if the water or weather is cold), the top of the reservoir is a struggle to keep open in any situation. When filtering the full 4 liters at once, air in the clean water reservoir pressurizes as the reservoir fills, eventually stopping the flow. Detaching the full clean water reservoir results in substantial spillage, as does trying to pour water from the reservoir. It needs to have a handle, such as was on the recently discontinued Platypus PlusBottle, and it also needs to be able to stand upright (at least a little). The current design is about as manageable as a large water balloon. In the future I will probably substitute other, smaller, Platypus bottles that are designed to stand upright.
Date published: 2017-11-11
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What happens to filter if it freezes in September in higher altitudes

Asked by: Llama packer
Hiya Llama packer, thanks for your question! You should not use a water filter after it has been exposed to freezing water. You should consider using tablets instead, like MSR Aquatabs or Katadyn Micropur MP1 Purification Tablets. Check them out here: MSR Aquatabs Water Purification Tablets Katadyn Micropur MP1 Purification Tablets
Answered by: Alice in Wanderland
Date published: 2017-04-14

Does this system filter to drinkable water standards? The video says cooking/cleaning water. Would the Platypus Gravityworks Carbon Filter Element be a benefit or does the included filter perform carbon filtering? Thanks

Asked by: Tincup
Hey there Tincup, good questions! Yes... in addition to providing water for cooking and washing, this system provides clean drinking water. You can use the Carbon Filter Element along with with the GravityWorks filter to improve the taste or odor but its not a necessity. (Some people can't tell the difference in taste so it's just a preference.) Since the carbon filter will not filter out the bad stuff on its own, you'll want to use the carbon filter after the water is already filtered with the regular filter. It is an accessory and not meant to be used as a substitute for the regular filter. (Wow, I just said filter A LOT.) Hope this helps!
Answered by: Alice in Wanderland
Date published: 2017-03-30
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