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Brondell

Brondell Coral UC300 Under Sink Water Filtration System

  • Three-stage sediment, pre-carbon and carbon block
  • 600 gallons or 12 months per filter set
  • NSF/ANSI 42, 53 and 372, CSA B483.1 for lead
  • WQA Gold Seal certified
  • Chrome faucet with LED filter change light
  • Twist and Seal filters, quick-connect hoses

Last refreshed Sep 11, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.

Our verdict

A three-stage under-sink carbon filter with its own faucet and twist-off filters that retains beneficial minerals. It is not reverse osmosis, so it will not lower dissolved solids much.

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ASIN: B0147QSRNEModel: Coral UC300Category: Undersink & Countertop Water Filters

Overview

Under the kitchen sink, the Brondell Coral runs water through sediment, pre-carbon and carbon block stages and out a dedicated chrome faucet. Twist and Seal housings let you swap filters without tools, and an LED on the faucet signals change time.

Certified carbon filtration with easy filter swaps covers chlorine, lead and taste while keeping minerals. A separate faucet adds a hole to the sink. Warranty terms differ between the bullets and specs.

Who it's for

City water users who dislike chlorine taste and want lead reduction suit the carbon stages. Well water with heavy minerals or high TDS calls for a different system.

Pros and cons

Pros
  • Certified for lead and chlorine
  • Tool-free filter changes
  • LED change reminder
  • Retains beneficial minerals
Cons
  • Needs a faucet hole in the sink
  • Warranty terms conflict on listing

Performance notes

Water pressure pushes flow through each stage, so flow at the faucet depends on supply pressure and filter age. The carbon block does most of the chemical reduction. Changing filters on schedule holds performance steady.

Specifications

BrandBrondell
ModelCoral UC300
Dimensions & fit
Item weight3.8 pounds
Item Dimensions L X W X H24.38"L x 34.04"W x 14.99"H
Capacity & performance
Filter Life Cycle12 months or 600 gallons
Power & efficiency
Power SourceManual (Water Pressure)
Construction & materials
Material TypeUC300 Filtration System
Compatibility & installation
Installation TypeUnder Sink
Included components
Included ComponentsWater Purifier with Designer Chrome Faucet
Unit Count1 Count
Warranty & support
Warranty DescriptionOne-year (bullets); Limited Lifetime (specs)
Other details
Purification MethodThree-stage: sediment, pre-carbon, carbon block
External Testing CertificationNSF/ANSI 42, 53, 372; CSA B483.1; WQA Gold Seal
Container TypeBottle
Other Special Features Of The ProductEasy to Install

Frequently asked questions

Is the Brondell Coral UC300 a reverse osmosis system?

No. It is a three-stage sediment and carbon filter system that leaves beneficial minerals in the water.

How often do Brondell Coral filters need changing?

Every 12 months or 600 gallons, with an LED indicator on the faucet.

Is it certified for lead?

Yes. It is certified to NSF/ANSI 42, 53 and 372 and CSA B483.1 for lead.

Does it need electricity?

No. It runs on water pressure.