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The ESSENTIAL Max Flow can be used in-line for many limited applications, like a kitchen sink, wet bar, or bathroom sink. In only 3-5 minutes you will have delicious, better-than-bottled quality right at your sink! Save over $2,000 per year in bottled water costs.

  • Made in California, USA
  • Enjoy a truly high quality product - no smell, no BPA, no phthalates
  • Just twist-and-click to replace your filter once per year*
  • Easy 5 Minute Install – watch the installation video
  • Save $2,000 in bottled water – No more buying, lugging, and storing bottled water
  • Super Convenient – Enjoy delicious, odor-free water straight from your sink, anytime!
  • No Drilling Holes – No extra or second faucets
  • Ideal for Small Spaces – Perfect for dorm rooms, apartments, and rentals


The ESSENTIAL Max Flow offers full size (full bed depth) filtration and superior performance, making it better at removing contaminants, easier to use, and more convenient than other in-line filters, pitcher filters, or fridge filters.

If you have the space, we recommend the upgraded performance and capabilities of EWS drinking water systems, reverse osmosis systems, or whole home filtration appliances.

Well Water Warning: Well water is required to have independent, complete and proper testing of your well water to determine the proper course of action in order to specify the correct system(s).

Already own one and looking for your filter replacement? Get your Max Flow filter replacement here.

*Based on your usage and water conditions. Areas with very high sediment/rust/silt may find their filter capturing more dirt and material and may need to replace their filter more often.


Reviews (1)

Stephanie Sep 3rd 2015

Customer review

I bought my first one three months ago and have since bought TWELVE more for my family members and friends. My brother has one in his dorm, I have one in my apartment in NYC, one in my husband's house in Atlanta...I could go on. This is the most perfect filter I've found for what I need. I installed it myself (thank you for that video, it was really simple to install after watching it) and I can just get really tasty water from my faucet now. The first two weeks in NYC I had to carry cases of bottled water from the grocery back home and it was a huge pain the @$$. These things are awesome!!

Additional Info

Additional Info