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Brondell H2O+ Coral Three-Stage Water Filter Set

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Triple Filtering for Refreshing Clean Drinking Water

Coral's superior performance three filter set (UF-35) consists of a Sediment filter, Pre-Carbon filter, and Carbon Block filter and is designed to last 12 months with a 600-gallon capacity. The filters feature a Twist & Seal system that makes changing the filters a breeze. Two "Quick-Connect" hose connections make installation of the Coral system fast and easy.

The UF-35 filter set is tested and certified by WQA (Water Quality Association) to NSF/ANSI standards 42 & 53 for the reduction of Chlorine, taste, and odor, Chloramine, Particulate Class I Particles, Cysts, Mercury, Lead, MTBE, Turbidity, Asbestos, and a full list of VOCs (see our Performance Data Sheet for the full list of contaminates reduced). The UC300 triple filter system has also been tested and certified by WQA according to NSF/ANSI 372 (low lead compliance) and CSA B483.1 (Canadian requirements).  Choose the Coral Three-Stage undercounter water filtration system for access to healthy, clean drinking water for the whole family right at your sink!

The Coral UC300 System is certified to NSF/ANSI standards 42, 53 & 401, to filter and reduce over 75 contaminants including:
  • Lead – Attacks the nervous system
  • Chloramine – Irritates the respiratory system
  • Herbicides & Pesticides – Elevate cancer risks
  • Cysts – Carry intrusive parasites
  • Mercury – Causes neurological disorders
  • MTBE – Causes dizziness, headaches, nausea
  • Asbestos – A known carcinogen
  • PFOA/PFOS – May cause developmental delays
  • Pharmaceuticals – Emerging contaminants
  • Chlorine – Ruins taste and introduces chemical odor
  • Turbidity – Cloudy drinking water
  • 51 Different Volatile Organic Compounds (VOCs)
Elegant Polished Chrome Faucet with Integrated LED Filter Change Indicator

The Brondell Slake faucet, is an elegant designer accent to any modern kitchen, with a generous clearance of 9 inches from the counter, and featuring an intuitive LED Filter Change Indicator next to the handle, to clearly remind you when your filters need replacement every twelve months. Double O-Ring engineering ensures leak-proof operation. Installation is easy and the finished piece is simply elegant.

Water Quality Association Certified

Brondell's UC100 & UC300 Drinking Water Systems have been tested and certified by the WQA (Water Quality Association) to NSF/ANSI standards 42 & 53 for the reduction of chlorine, taste and odor, chloramine, particulate Class I particles, cysts, mercury, lead, MTBE, turbidity, asbestos, and a full list of VOCs. The UC100 and UC300 filter systems have also been tested and certified by WQA according to NSF/ANSI 372 for low lead compliance and CSA B483.1 for Canadian requirements.*

*See our Performance Data Sheet for the full list of contaminates reduced.


  • Superior filtration performance with certified carbon block filter system
  • High-quality filtration good for smaller households
  • Twist & Seal filters make replacement a breeze
  • Double O-ring filter seal to prevent leaks
  • Twelve-month filter life (600-gallon capacity)
  • Certified for NSF/ANSI Standards 42, 53, & 372 and CSA B483.1
  • Gold Seal certified by WQA (Water Quality Association) for trusted performance

Brondell water filtration systems are all tested and certified by the Water Quality Association (WQA). Beware of non-certified manufacturer's filtration claims that have not been tested and approved by an authorized agency for water filtration products.

Product Highlights

Best-In-Class Water Filter for Your Sink
The Coral UC300 is a great solution for any household that wants a best-in-class water purifier with a small, convenient footprint. The Three-Stage Filtration System consists of a sediment filter, pre-carbon filter, and carbon block filter – all designed to last 12-months with a 600-gallon capacity. 
WQA Gold Seal Certified Filtration Technology
Brondell's H2O+ Coral UC300 has been tested and certified by the Water Quality Association according to NSF/ANSI 42, 53, and 401 for the reduction of Aesthetic Chlorine, Taste and Odor, Chloramine, Particulate Class 1, Cyst, Turbidity, Asbestos, Mercury, Lead, MTBE, VOCs, PFOA/PFOS, Pharmaceuticals, Herbicides, and Pesticides as verified and substantiated by test data. The system has also been tested and certified by WQA according to NSF/ANSI 372 and CSA B483.1.

About Brondell

Healthy by Design. Brondell is committed to a healthier, happier you.

From the air we breathe, the water we drink, and the body we keep, Brondell prides itself on leveraging the best technologies to deliver unique, healthy home experiences for anyone looking to improve the spaces and routines they engage with every day. Their award-winning product lines for the home and office bring you the best in modern health and hygiene care, so you can breathe better, drink more purely and clean with confidence.

Be Well, Stay Well with Brondell.

From the renowned Swash electronic bidet suite to the H2O+ line of water filtration systems and O2+ air purification, people are taking notice of Brondell products and acknowledging their role in bringing technology and science together to deliver modern health and hygiene products to the home and office.

Brondell's filtration systems, available in countertop systems and under-counter reverse osmosis (RO) water filter systems, can help ensure the water in your home is pure and delicious.

Brondell products hold several certifications, including by Underwriters Laboratories (UL) and by IAPMO R&T to qualify for cUPC (Universal Plumbing Code).

Brondell is committed to you & your family's wellness!

Compatible Product

Brondell H2O+ Coral UC300 Three-Stage Undercounter Water Filtration System