Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air filtering installations; Air filtering units; External ballast and bilge water filtering and absorbing device for use in a local containment area for removing aquatic nonindigenous species, oil and other contaminants from the effluent; Filters for air conditioning; Filters for drinking water; Filters for water filtering apparatus; Fitted covers for water filtering apparatus; Household tap-water filters; Membrane filter cartridges for the separation of biomolecules in biopharmaceutical production; Membrane filters for water filtering apparatus; Membranes for water filtering apparatus; Personal water filtering devices in the form of straws; Reverse osmosis membrane filters for water treatment; Storm water filtering units featuring non-metal filtering booms and tendrils used to reduce bacteria and hydrocarbons in standing water; Water filtering apparatus; Water filtering units for aquariums; Water filters