Out of stock, alternative part is:
https://www.waterfiltration.ie/product-page/reverse-osmosis-50-gpd-membrane-stage-4
 
Ecosoft membrane element is made to provide stable and high quality of purified drinking water.
The production of Ecosoft membrane elements is a highly effective process using the industry’s leading membrane flat sheet and the experience of the Ukrainian manufacturer.
 
Key features:
Full 7 L pressure tank in 54 minutes.
Full capacity even in 15 °C water.
High selectivity - 97%.
Individually vacuum tested.
Shipped dry