Purlogix Thin Film Composite Reverse Osmosis Membrane (80 GPD) Cartridge Filter for Purlogix Water Cooler. Purolex Part Number: PL1100-0004. This RO membrane filter is designed for highly effective filtration of water for waterborne microorganisms, heavy metals and other inorganic contaminants.
It is new, but has been installed. It came installed on a new water cooler.