Reverse osmosis, nanofiltration, and ultafiltration membranes; feedspacers for reverse osmosis, nanofiltration, and ultafiltration membranes; all of the foregoing for commercial and industrial use

reverse osmosis and nanofiltration membranes for industrial use, for wastewater treatment, for water softening, and for desalination

filter units for residential, commercial and industrial water filtration

Manually-operated exercise equipment for physical fitness purposes