Brondell circle reverse osmosis water filtration system filters

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Reverse osmosis (RO) systems can be bulky, difficult to install, and many require electricity and pumps to operate. Most importantly, conventional RO systems are extremely inefficient wasting up to 24 gallons of water for every gallon of drinkable water! Brondell's Circle Reverse Osmosis Water Filtration System utilizes patented new technology to eliminate back-pressure making it up to 10 times more efficient than current RO systems. Additionally, the Circle RO Water Filter eliminates any need for electricity and by integrating the tank and filters. The Brondell H2O+ Circle RO Water Filter’s exclusive Smart Valve and unique circular reservoir design are the keys to its efficient design. This technology eliminates back-pressure on the RO membrane filter, reducing wastewater to less than 2 gallons for every gallon of drinking water – more efficient than many conventional RO systems. The Circle’s refill rate is more than twice as fast as non-electric systems and equally as fast as those with electric pumps. It offers simplified installation and maintenance with features such as auto-flushing, twist and lock filter changes, and “quick-connect” connections. The Brondell H2O+ Circle RO Water Filter delivers water savings, power savings, and space-savings all in a beautiful simplified design. The Circle Reverse Osmosis Water Filtration System utilizes four separate water filters dramatically reducing industrial chemicals, heavy metals, pesticides, herbicides, total dissolved solids (TDS), volatile organic compounds (VOCs), microorganisms, bad tastes and odors. The Circle is the fastest, easiest, most elegant and efficient high quality reverse osmosis system available for a healthy home and family.

  • Water saving smart technology - up to 10 times more efficient than conventional RO systems
  • Designer chrome faucet with integrated LED filter change indicator included
  • Space saving compact design leaves plenty of room for under sink storage
  • Patented Smart Valve and flexible water tank delivers maximum water efficiency
  • Certified four-stage filtration: Sediment filter, Pre-carbon Plus filter, RO Membrane filter, Post Carbon Block filter
  • Constant flow rates and rapid system refill without pumps
  • Quick change filters - twist and seal filters make filter replacement a breeze
  • Non electrical design
  • Certified for NSF/ANSI Standards 42, 53, 58, and 372
  • Gold Seal certified by WQA (Water Quality Association) for trusted performance
  • RO Membrane filter lasts 2 years (24 months), remaining three filters last 6 months
  • One (1) year limited warranty

Brondell H2O+ Circle Reverse Osmosis SystemBy Brondell, Inc.


  • Product Description
  • Product Specifications
  • Shipping and Returns

Reverse osmosis (RO) systems can be bulky, difficult to install, and many require electricity and pumps to operate. Most importantly, conventional RO systems are extremely inefficient wasting up to 24 gallons of water for every gallon of drinkable water! Brondell's Circle Reverse Osmosis Water Filtration System utilizes patented new technology to eliminate back-pressure making it up to 10 times more efficient than current RO systems. Additionally, the Circle RO Water Filter eliminates any need for electricity and by integrating the tank and filters. The Brondell H2O+ Circle RO Water Filter’s exclusive Smart Valve and unique circular reservoir design are the keys to its efficient design. This technology eliminates back-pressure on the RO membrane filter, reducing wastewater to less than 2 gallons for every gallon of drinking water – more efficient than many conventional RO systems. The Circle’s refill rate is more than twice as fast as non-electric systems and equally as fast as those with electric pumps. It offers simplified installation and maintenance with features such as auto-flushing, twist and lock filter changes, and “quick-connect” connections. The Brondell H2O+ Circle RO Water Filter delivers water savings, power savings, and space-savings all in a beautiful simplified design. The Circle Reverse Osmosis Water Filtration System utilizes four separate water filters dramatically reducing industrial chemicals, heavy metals, pesticides, herbicides, total dissolved solids (TDS), volatile organic compounds (VOCs), microorganisms, bad tastes and odors. The Circle is the fastest, easiest, most elegant and efficient high quality reverse osmosis system available for a healthy home and family.

  • Water saving smart technology - up to 10 times more efficient than conventional RO systems
  • Designer chrome faucet with integrated LED filter change indicator included
  • Space saving compact design leaves plenty of room for under sink storage
  • Patented Smart Valve and flexible water tank delivers maximum water efficiency
  • Certified four-stage filtration: Sediment filter, Pre-carbon Plus filter, RO Membrane filter, Post Carbon Block filter
  • Constant flow rates and rapid system refill without pumps
  • Quick change filters - twist and seal filters make filter replacement a breeze
  • Non electrical design
  • Certified for NSF/ANSI Standards 42, 53, 58, and 372
  • Gold Seal certified by WQA (Water Quality Association) for trusted performance
  • RO Membrane filter lasts 2 years (24 months), remaining three filters last 6 months
  • One (1) year limited warranty


Brondell circle reverse osmosis water filtration system filters

This Product Has Been Described As:
  • Brondell
  • REVERSE OSMOSIS
  • reverse osmosis water filter
  • ro
  • RO water filter
  • RO water filtration
  • under counter water filtration
  • water filter
  • Water filtration system
  • Water Filtration Systems
  • water purifier

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When should I replace my brondell filter?

Replacing these filters every 6 months helps ensure your water stays as clean as it should.

What are the 3 filters on RO?

A standard RO system is equipped with 3 separate filter stages. Sediment, carbon, and reverse osmosis.

How long do reverse osmosis filters last?

How long do RO systems last? They could last 10-15 years but only when they are regularly maintained. This means the cartridges should be replaced annually and the parts are regularly inspected for any problems. Some parts may wear out (e.g. storage tanks, tubing) through time.

Are reverse osmosis filters a standard size?

Standard Reverse Osmosis System Setups and Replacement Filters. There are many reverse osmosis systems that use standard replacement filters and membranes. If the system takes a standard size filter, it is usually approximately a 10" x 2.5" water filter.