Open-Box Circle
Reverse Osmosis Water Filtration System

Clean water is the foundation of good health. Circle provides high-quality water with 10 times less waste, because the planet deserves to be healthy, too.

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    Ships for free to contiguous US
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    Not available for shipment to Canada

Better filtration with less waste? We’ll drink to that.

Circle delivers clean drinking water by using multi-stage filtration and reverse osmosis technology, filtering water in stages until it’s clean enough to drink. Reduce unwanted contaminants like lead, chlorine, volatile organic compounds, and more, and enjoy higher-quality water without the worry.

Circle features science-based, patented components that allow for less wastewater—up to 10 times less as compared to traditional reverse osmosis water systems. Choose Circle for greater savings and sustainability, cup after cup.

  • patented water-saving technology

  • superior 4-stage filtration

  • certification by the Water Quality Association (WQA)

  • compact, sustainable design

Item #SAM-RC100

Full Features

Patented water-saving technology
  • up to 10 times more efficient than traditional reverse osmosis filter systems
  • flexible storage tank reduces waste
  • patented Smart Valve helps eliminate wasteful backflow
  • automatic flushing extends the reverse osmosis filter lifespan
Superior 4-stage filtration
  • sediment filter reduces sand, rust, and particulates
  • pre-carbon filter traps VOCs, chlorine, and other contaminants
  • membrane filter reduces heavy metals, cysts, and industrial chemicals
  • post-carbon filter removes lingering contaminants and odors
Water Quality Association certification
  • certified by the WQA to reduce and remove contaminants
  • highly-regarded gold standard for residential water quality
  • tested and certified under NSF/ANSI Standards 42, 53, 58, and 372 to remove common contaminants found in tap water*
Space-saving, sustainable design
  • beautifully designed for a sleek, clutter-free appearance
  • filters and storage tank are housed within a single case
  • small footprint, installs under counter
  • includes chrome faucet with LED indicator
  • operates without electricity
  • filter changes are simple and infrequent; 6 and 24 months

Not up to installing it yourself?

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13.8"(L) x 9.25"(W) x 16.5"(H)
14.6 lbs
Storage Capacity
1.6 gallons (6.0 liters)
Rated Capacity
3,500 gallons for Aesthetic Chlorine; 243 gallons for VOCs
1-year warranty provided by US-based customer service team
Model Number/SKU
Certifications & Notices
  • WQA

*See performance data sheet for all WQA-certified claims.

Do not use with water that is microbiologically unsafe or unknown quality without adequate disinfection before or after the system.