Platypus Gravityworks Filter Cartridge

Platypus Gravityworks Filter Cartridge is rated 4.6 out of 5 by 29.
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4.5 Star Rating
4.5
$54.95

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Product Description Item No.   10117643

The SPECS

  • Dimension: 1.8 x 5.8" / 4.5 x 14.7 cm
  • Weight: 1.83 oz / 52 g

- + Product Specifications
Weight: 1.9 oz
Disclaimer: We only ship this brand to US Addresses.
Rated 3 out of 5 by from Does not come with adapters included in 2L kit Was surprised that the 4L kit doesn't include adapters for Nalgene bottles and MSR bladders. Must be purchased separately, although they are included in the 2L kit.
Date published: 2018-07-11
Rated 5 out of 5 by from Lifespan? This product is great, don't get me wrong. And I love the fact that you can purchases pieces of the GravityWorks line without replacing the entire thing. My clean and dirty bladders were fine but after a few years of being packed away, the filter must have dried out. I only had 2 or 3 trips on the original filter but we probably put 16 - 20 liters through it each time. Was surprised that it wouldn't filter when I pulled it out of my pack 3 years later, but after 60 liters, it was probably due for a replacement.
Date published: 2018-06-13
Rated 3 out of 5 by from Filter element durability issues. I use this system in the back country of California and southern Oregon. The reservoir bags are tough, but the filter element is not. I have had to replace the element nearly every time I've used this system due to element failure.
Date published: 2018-06-12
Rated 4 out of 5 by from Great filter. 4L in 4 minutes! But...impossible to close. This filter is amazing. 4L in about 4 minutes. It works very well in Montana. We've had it for years and the filter is still going strong. We've saved a lot of hikers who were spent from pumping or their filters just failed completely. So fast and easy - as long as you quickly backflush each time. Unfortunately, there is a deal breaker and here it is: the "zipper" closure on the dirty bag is impossible to get closed. I can't even do it. My husband has to do it and although he is strong, it's very very difficult. And if you can't get it closed, there is no vacuum and the filter won't work. Isn't there a better design or some sort of slide tool that can be offered to help close the bag?
Date published: 2018-06-06
Rated 5 out of 5 by from High-Volume Gravity-Fed Water Filter System Happy with Gravityworks Filter Cartridge, which I am using in a custom-made, large-volume gravity-fed water filtration system for water on large-group wilderness canoeing trips. Gravity-fed water filter systems for purchase are relatively low volume (several liters at a time), so made custom system using the GravityWorks filter that can filter larger water quantities (15-20L water) at a time. Use two GSI Outdoors Folding Water Cubes with 1/2" vinyl hose and 1/2"x1/4" nylon reducer couplings clamped on Water Cube spigots. Then connect couplings on Water Cubes with 1/4" hose with GravityWorks Filter Cartridge and Carbon Element in line. System works great with Gravityworks filters to supply enough water in wilderness for larger groups. Good prices on filter cartridge elements from Moosejaw.
Date published: 2018-05-03
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 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
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