ProOne Big+

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Current Stock:

Expected back in stock mid January


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. 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.

ProOne Big+ system features include: 

  • Recommended for 4+ users 
  • 3 gallon capacity 
  • Standard # of filters: 1 
  • Maximum # of filters: 3
  • Nested Dimensions: 9.25" x 11.75"
  • Assembled Dimensions: 9.25" x 22.75"
  • Embossed with the ProOne® logo
  • Includes 1 ProOne® G2.0 7" Filter Element (upgraded options available)
  • Includes stainless steel spigot and non-slip pad
  • Includes 6" wire stand
  • Hardware kit now includes wrench for easy install of the stainless steel spigot


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