This is the reverse osmosis filter set replacements for the Rainsoft UF50 and UF50T systems. The set includes two 5 Micron Carbon Block filters. Should be changed every 12 months. Membrane is sold separately in our store for your convenience, and needs to be changed every 4th year.

New model, OEM replacement membrane for all Ultima Water Systems 5, 6, 7, and 7000 reverse osmosis systems. Will also work on most reverse osmosis systems with a flow restrictor rated at 150ml to 200ml. Includes the new service manual "How to Service Your Reverse Osmosis System" by Dionicio Porras....