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Give it purpose - fill it with water filters, air filters, refrigerator filters, and more.
The Aqua Pure RM-CTA Reverse Osmosis Membrane is the replacement membrane for the Aqua Pure APRO3 Reverse Osmosis System. Also known as part number 55571-01 and 5557101.
The RM-CTA should be changed every 1 to 3 years based on water quality and usage.
The APR03, AP-RO3 has been discontinued but this replacement membrane is still available here at Filters Fast!