Universal Standard Size This membrane fits standard residential reverse osmosis units. The industry standard 2012 size is rated at 100 GPD and works with popular RO and RO/DI models including Aquatic Life, RO Buddie, iSpring, LiquaGen, APEC, Express Water and more.Independently developed by VONTRON, the RO element is designed for treatment of low-salinity water resources such as tap water and well water. Working under extra low pressure, it is applicable to RO systems for residence, hospital and laboratory. We realize everyone has different needs for reverse osmosis. This is why we offer multi-packs for added convenience and savings. The special dry-pack packaging adds extended shelf-life to these membranes.

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