SKU: 95228125265

GravityWorks System 4 L

Sale price$121.45 Regular price$134.95
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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6

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Description

GravityWorks System 4 LThe Platypus GravityWorks Water Filter System 4 L offers a convenient, high capacity solution for backcountry water purification, ideal for group camping, basecamps, or emergency preparedness. Utilizing gravity for filtration, it eliminates the need for pumping, delivering clean water efficiently. The system includes two reservoirsone for unfiltered water and one for clean waterconnected by a hollow fiber microfilter that removes 99. 9999% of bacteria

The Platypus GravityWorks Water Filter System 4 L offers a convenient, high-capacity solution for backcountry water purification, ideal for group camping, basecamps, or emergency preparedness. Utilizing gravity for filtration, it eliminates the need for pumping, delivering clean water efficiently. The system includes two reservoirs—one for unfiltered water and one for clean water—connected by a hollow-fiber microfilter that removes 99.9999% of bacteria and 99.9% of protozoa, including Giardia and Cryptosporidium. With a flow rate of up to 1.75 liters per minute, it can filter 4 liters of water in approximately 2.5 minutes. The filter cartridge has a lifespan of up to 1,500 liters and can be easily backflushed in the field to maintain performance. Lightweight and compact, the Platypus GravityWorks Water Filter system is an efficient and reliable choice for ensuring safe drinking water in the outdoors

  • Pump-free gravity filtration
  • Lightweight and compact design for easy transport
  • Includes 4-liter dirty and clean water reservoirs with hang loops
  • Meets EPA and NSF guidelines for removal of bacteria and protozoa, Giardia, Cryptosporidium, E. coli, Salmonella and Cholera.
  • High flow rate of up to 1.75 liters per minute
  • Filter cartridge life up to 1,500 liters
  • Field-maintainable with quick backflushing
  • Filter Media: Hollow fiber
  • Filter Pore Size: 0.2 microns
  • Flow Rate: Up to 1.75 liters per minute
  • Filter Life: Up to 1,500 liters
  • Weight: Approximately 11.5 oz
  • Capacity: 4.0 liters
  • Dimensions 9.5 x 3.25 in
  • Material: Polyethylene

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 95228125265

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4.2 ★★★★★
Based on 8 reviews
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K. Jewett
New York, US
★★★★★ 5
Cute Basic Tank That’s Easy to Dress Up or Down
Color: Taupe, Size: Small
This ANRABESS sleeveless tank top is a really cute basic to have in the closet. I bought it in 3 colors. I like the fitted ribbed style because it gives it a little more shape than a plain tank, but it’s still simple enough to wear with just about anything. The scoop neck is flattering without being too low, and the slim fit makes it easy to tuck into jeans, shorts, or wear under a jacket/cardigan. It’s one of those tops that works for everyday outfits but can also be dressed up a little with jewelry or nicer pants. The material feels comfortable and stretchy, and it has that casual summer look without feeling sloppy. I’d say it’s great for warm weather, layering, or just throwing on when you want something easy but still put-together. Cute, flattering, and comfortable — a great basic tank that I can see myself wearing a lot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 19, 2026
S
Verified Purchase
Starbuck65
Bozeman, US
★★★★★ 5
Great, well-fitting basic!
Color: Beige, Size: Medium
I love, love, love these basic tanks. They fit true to size. They’re really soft and comfortable and they’re such a great value. I have them in at least five or six colors. They look great on their own or under a cardigan.
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Reviewed in the United States on May 16, 2026
E
Verified Purchase
Erin Gerloff
Cuba, US
★★★★★ 5
Light weight, not thick or bulky, versatile, and perfect!
Color: White, Size: Small
Throw out all the tank tops you own cause this is the only tank top you will need from here on out. It is absolutely perfect. Let’s just say they understood the assignment. It is form fitting and pairs perfectly with lightweight sweaters that might be slightly sheer or even the new crochet type of open sweaters that need a tank underneath. It is the perfect stretch, perfect material and dressy enough to be worn on its own and upgraded with some jewelry and some classy jeans and has just enough sheen to look dressy and not like you’re wearing a workout top. I love , love this and it is my go to tank!
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Reviewed in the United States on April 29, 2026
A
Verified Purchase
Amanda Rogers
Lexington, US
★★★★★ 5
Comfortable, flattering wardrobe staple
Color: White, Size: Small, Color: White, Size: Small
I’ve tried a lot of basics, and this ANRABESS sleeveless scoop neck tank exceeded expectations. The fabric feels soft and breathable with a nice amount of stretch, and it has a flattering fit without being too tight or restrictive. The scoop neckline is classic and versatile, making it easy to layer or wear on its own. Stitching and construction appear well made, and it held up nicely after washing with no shrinking or loss of shape. Great quality for a basic essential, and a piece I can see reaching for often. Highly recommend.
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Reviewed in the United States on April 29, 2026
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Verified Purchase
Dianns
Dallas, US
★★★★★ 4
The length is perfect. Nice and long.
Color: Yellow, Size: X-Large
These tanks are the perfect length. I love how they fit and feel. I bought these in 5 colors. Although, if you want to keep them long, I suggest hanging them to dry. Putting them in the dryer shrinks the length about 2 inches.
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Reviewed in the United States on May 22, 2026

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