IC 011. US 013 021 023 031 034. G & S: Filtering devices, namely, filters, filter cartridges, filter media and filter housings for the removal of impurities from fluids and other filterable substances; fluid filtering cartridges for general domestic and industrial use; filtering devices, namely, filters, filter cartridges, filter media, filter housings, membranes, filter discs and parts thereof for fluid filtration for domestic and commercial use; water softening and conditioning units; reverse osmosis water purification units and flow restrictors for reverse osmosis water purification systems; fibrous filtering media for general domestic and industrial use in the purification of air and fluids; non-electrical water purification units; air filter material and air filters for industrial and domestic use in furnaces, air conditioners, room air cleaners, home and building HVAC air ventilation and cleaning equipment, air cleaning and purification units, air humidifiers and dehumidifiers, automobile and other motor vehicle cabins, and other domestic, industrial and commercial uses and installations. FIRST USE: 20050100. FIRST USE IN COMMERCE: 20050100