Brondell RF-20 Water Filter Replacement for Circle, Sediment and Carbon Block, Under Sink Reverse Osmosis Filtration System, Lasts 6 Months

Price: $79.99
(as of Feb 09, 2026 11:13:42 UTC – Details)

Product description

Proven Contaminant Reduction

Our Circle under-sink filtration system is certified to reduce dozens of contaminants for cleaner, healthier water you can trust. Each replacement filter is rigorously tested to meet strict WQA and NSF/ANSI standards

Advanced Multi-Stage Filtration

Sediment and carbon block filters work together to capture particulates, reduce chlorine, and minimize VOCs before water reaches the final RO membrane. The result is fresher, better-tasting water straight from your tap

Cleaner, Better-Tasting Water

Reverse osmosis technology separates clean water molecules from impurities including heavy metals, chemicals, and more. This layered approach helps ensure every sip is crisp and refreshing

Quick, Hassle-Free Replacement

Each filter swaps out in minutes with a simple twist-and-seal design—no tools required. Built-in change indicators help you stay on top of maintenance, keeping your system performing at its best.

REPLACEMENT WATER FILTER: This sediment and carbon block filter replacement is specifically for the Brondell Circle Under Sink Water Filter (sold separately); It is designed for easy installation, providing great-tasting water for up to 6 Months
AN EXTRA BOOST FROM CARBON: The carbon-based block filtration reduces cloudiness and helps trap unwanted components; Reverse osmosis membrane technology combines with 3-stage carbon filtration to filter water that’s not just safer, but tastier, too
CLEAR BENEFITS: The sediment filter reduces rust, sand, and particulates; A carbon block pre-filter reduces VOCs, chlorine, and soluble contaminants; The carbon post-filter further reduces VOCs & lingering contaminants, along with chlorine taste & smell
SIMPLE DIY INSTALLATION: The replacement filter can be installed in just a few minutes with a quick and easy twist and seal installation; The change indicator lets you know when a new filter is needed; Includes filter indicator replacement battery
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