Filters and membrane elements are not to be installed on microbiologically unsafe water
supplies. TLC Membranes are not certified to sanitize water, remove cysts, bacteria, or viruses.
Filter and membrane element performance can be affected by fluctuations in water quality.
To upgrade your RO system to the new Pentair GRO
Membrane, you will need to install a new Drain Line Flow Restrictor that
is compatible with the new membrane. If a new flow restrictor is not
installed all water will go to the drain and none will be produced as