The Ultima 50 GPD membrane is an OEM replacement membrane for Ultima Water Systems Models VI, VII, VII-c, and Model 7000 reverse osmosis systems, as well as most other brands of RO systems that require a 50 gallon per day membrane.
Includes: The Ultima 50 Gallon per day OEM membrane, the appropriate replacement flow restrictor for the best water efficiency, and the service manual “How to Service Your Reverse Osmosis System” by Dionicio Porras, so you can service your RO like a pro!
Will not work with GRO or Green RO model reverse osmosis systems.
Works with the following RO systems:
~Ultima Models VI, VII, VII-c, and Model 7000 RO Systems.
~Krystal Pure(TM) and Envirotec(TM).
~All International Filter(TM) RO models.
~All Water Resources and Ultra-Micron models.
~ Older Watts Premiere models.
~ Most RO models that are not GRO or Green RO models.