Patent ID: 7563299

Claim:
A filtering apparatus, comprising: a housing having an inlet and at least an outlet a filter arrangement disposed in said housing, downstream of said inlet and upstream of said outlet for filtering a pressurized gas entering said housing through the inlet to provide a filtered pressurized gas at the outlet, wherein the filter arrangement comprises first and second tubular filter elements, and the first filter element is located within the second filter element; and a pressure regulator disposed in an upper portion of said housing, downstream of said filter arrangement and upstream of said at least one outlet for regulating a pressure of the filtered pressurized gas in accordance with a setting of said pressure regulator to provide a regulated, filtered pressurized gas at said at least one outlet, wherein said upper portion of said housing comprises a unregulated chamber and a regulated chamber separated by a valve of said pressure regulator; and said at least one outlet comprises one or more regulated outlets formed in a wall of the regulated chamber; said filtering apparatus further comprising a unregulated outlet formed in a wall of said unregulated chamber for providing the unregulated, filtered pressurized gas at said unregulated outlet.