Aquatic Life Twist-In 100 GPD - RO Membrane Filter

Replacement RO Membrane cartridge for AquaticLife Twist-In 3 Stage Compact Reverse Osmosis System or AquaticLife Twist-In 4 Stage Compact Reverse Osmosis/Deionization System. Recommended replacing every 1-2 Years. The RO Membrane reduces impurities known as Total Dissolved Solids (TDS) from the water down to 1/10,000 of a micron, reducing arsenic, lead, parasitic cysts, copper and more.