Whether on the go, emergency preparedness or for daily use, be at ease knowing you have clean drinkable water with a ProOne® Gravity water filtration system. 


Easy to set up. No electricity or plumbing required. Use with just about any potable water source whether at home, office, school, camping or traveling. 


All ProOne® gravity systems feature ProOne® G2.0 “all-in-one” NSF/ANSI-42 component certified filter technology – the smarter filter™. Independent lab tested to NSF standards 42, 53, P231, microplastics,1,4 Dioxane, Microcystin, emerging contaminants, PFOAS (GenX), TTHM’s, bacteria, Fluoride, Lead, Parasites and more. Visit our lab reports for full details on the 200+ tested contaminants. 


New ProOne® Gravity Gripper exclusive design makes it easy to lift the upper container to view how much water is in the lower container. The Big+ Gripper style is made from 304 stainless for long-lasting durability and includes a stainless 304 spigot and non-slip pad.

Filter life expectancy may vary depending on specific water chemistry and filter cleaning frequency

About the Pro One G2.0 Filters

Each System comes it a version of the Pro-One G2.0 Filter(s)

The Propur® ProOne® G2.0 filter is ideal for use with most water sources including lakes, rivers, streams, ponds, rain and tap water. The new ProOne® G2.0 “ALL-IN-ONE” CONTAMINANTS & FLUORIDE GRAVITY WATER FILTER combines silver infused white ceramic with new ProSorb™ granular activated carbon based media. In addition to primary contaminants, only the Propur ProOne® G2.0  filter element helps reduce or remove heavy metals, fluoride, pesticides, herbicides, chloramines, bacteria, pharmaceuticals and more. The Propur ProOne® G2.0  filter is easy to install, use and clean - no priming required and no additional add-on filters necessary to remove fluoride. The ProOne® G2.0 “ALL-IN-ONE” CONTAMINANTS & FLUORIDE GRAVITY WATER FILTER has been tested to meet NSF/ANSI standards 42 & 53 and NSF/ANSI Protocol P231. 


The ProOne® G2.0 filter has been tested in accordance with NSF/ANSI 42 and 53 standards, and the only “ALL-IN-ONE” CONTAMINANTS & FLUORIDE GRAVITY WATER FILTER that qualifies as a microbiological water purifier by NSF/ANSI protocol P231. 


Test results from an independent water testing lab certified by the state of New Jersey Department of Environmental Protection show the ProOne® G2.0 filter removes and/or reduces contaminants including heavy metals, VOC’s, monochloramines, pesticides, herbicides, pharmaceutical drugs, fluoride, bacteria, viruses, Giardia and more without any add-on filters. Even the contaminants that were found in the Toledo and West Virginia water supplies are covered by the ProOne® G2.0 filter. For complete lab report details, please visit our website propurusa.com. 


Now here’s why the ProOne® G2.0 is technically advanced over other gravity water filter elements:


  1. You don’t need to prime the ProOne® G2.0 filter - It doesn’t make sense – if you’re trying to filter out contaminants in your water, why use contaminated water to prime your filters 

  2. There’s no need to buy any additional device to prime your filters 

  3. Fluoride, arsenic and other heavy metals are reduced/removed by a process called absorption using a specially formulated carbon based granular media inside the ProOne® G2.0, not alumina as used by other manufacturers in their add-on filters. 

  4. The ProOne® G2.0 is silver infused which helps prevent the growth of bacteria 

  5. Engineered to maintain its structural integrity and uses the most advanced materials to prevent any potential base separation 

  6. Sized at 2.75” diameter rather than 2” as with other brands of gravity filters for maximum performance 

  7. Leaves good minerals, including calcium, in water


The ProOne® G2.0 ALL-IN-ONE” filter ADVANTAGE-- 


  1. No need to purchase and attach add-on filters to remove fluoride, arsenic or other heavy metals 

  2. No add-on filters hang down into the water storage container that could leach into your drinking water 

  3. No add-on filters to slow down flow rate 

  4. No add-on filters that require frequent replacement and expense 


The ProOne® G2.0 filter is available in 4 sizes to fit all Propur® systems and most other brands of gravity systems. Choose the most advanced gravity water filter element– choose the ProOne® G2.0 by Propur® . 


ProOne® G2.0 filter elements are available in 4 sizes: 

  • ProOne® M G2.0 Water Filter Pitcher -- Recommended Replacement – up to 6 months per filter 

  • ProOne® 5" G2.0 for Traveler and Nomad Units -- Recommended Replacement – up to 6 months per filter

  • ProOne® 7" G2.0 for Nomad & Big Units -- Recommended replacement – up to 10 months per pair 

  • ProOne® 9" G2.0 for King and most other brands -- Recommended replacement – up to 12 months per pair 


The ProOne® 9" G2.0 is designed to work with most other brands of gravity-fed water filtration units such as Berkey that use a standard 2" by 9" water filter element. Now you can upgrade your filters to Propur® without needing to purchase a completely new unit. 


Each ProOne G2.0 filter element now comes packaged with a new Propur plug and a scrubby sponge. Applies to 4", 5", 7" and 9" sizes.


Propur® systems and ProOne® G2.0 filters are available from your authorized Propur®Dealer. 


Click Here for Instructions


Available Lab Reports:

Is your drinking water Propurified? 

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