* 335UP, Upgrade Kit for RO system 35 gal/day (includes the membrane filter)
* This is a Upgraded Membrane filter TFC-35, our part no. 335, 35-36 gal/day and a upgrade kit, part no. 130.
* You can upgrade your RO system to a 35 gal/day RO system by replacing to larger capacity membrane and flow restrictor. The result is that the system produces water much faster and the membrane last longer.
* The Honeywell RO9100, Filtercold RO5, AV180, Premier RO systems are all 18 gal/day. Rotek RTF-265 is 24 gal/day.