PRF-RO membrane for the Merlin Pentair PRF-RO reverse osmosis filter.
This is a genuine Pentair product.
Requires replacing approximately every 2-3 years (dependant upon initial water quality and volume of water treated).
Please note that 2 units are required item sold as a set of 2.
Please note these membranes have a limited shelf life and should be kept stored in a refrigerator until used.
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