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Brondell RF-40 H2O+ Circle Replacement Membrane Filter

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Brondell RF-40 H2O+ Circle Replacement Membrane Filter

Save 18% (MSRP: $115.99)

Quick Overview

Stage 3 RO membrane filter replacement for the Brondell H2O+ Circle Reverse Osmosis Filtration System
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The Brondell RF-40 is a replacement RO membrane filter used in the Brondell H2O+ Circle Reverse Osmosis Water Filtration System. This filter is used in stage 3 of the Circle's filtration process. In this stage, water is sent through a semi-permeable membrane where H2O molecules are separated from other contaminant molecules present. This filter provides reduction of heavy metals, fluoride, arsenic, and many more contaminants. Recommended for replacement every 24 months. Installs easily with a quarter-turn twist and with no tools required. Order the Brondell RF-40 today!

  • Ships fast!
  • Filtration stage 3 (stages 1, 2, and 4 sold separately as the RF-20 filter pack)
  • Includes replacement filter change sticker chart for all filters used in the Circle system
  • Replace every 24 months
  • Genuine OEM Product
  • Installation Guide for BRONDELL-RF-40


Package Qty 1
Used In Brands Brondell
Manufacturer's Id RF-40
UPC 819911013616
Actual Size (in) 11 1/4 inches (length) x 2 3/4 inches (outside diameter)
Actual Size (cm) 28.575 x 6.985
Media Reverse Osmosis Membrane
Primary Filter Media Semi-Permeable Membrane
Filter Life (months) 24 months
Operating Pressure (psi) 40 - 120
Maximum Operating Pressure (psi) 120
Operating Temperature (°F) 41 - 95
Operating Temperature (°C) 5 - 35
Certifications WQA Gold Seal
Includes Filter change sticker chart
Additional Information Stage 3


Reduces the following contaminants:
  • Fluoride
  • Lead

The BRONDELL-RF-40 is comparable with the following part numbers

Fits the Following Model Numbers


Replacement for the Following UPC