Air filters for air conditioning units; Air filters for domestic use; Apparatus for filtering drinking water; Aquarium filters; External filtering device for use in a local containment area for removing oil and other contaminants from storm drain effluent as it exits storm water systems; Filters for air conditioning; Filters for drinking water; Filters for fluids, namely, for water and area-water solutions; Filters made of fiber for water filtration; Filters, heaters and pumps sold in combination for use in swimming pools; HEPA filters for household use; Household tap-water filters; Lawn sprinkler systems comprising pumps, valves and filters; Metal cylindrical chamber and screen for use in filtering and removing settleable solids from liquid; Plumbing fittings, namely, faucet filters; Swimming pool water cleaning and filtering units; Water filtering units for commercial use; Water filters; Water filtration and purification units and replacement cartridges and filters therefor; Water filtration and purification units and replacement cartridges and filters therefor for refrigerators