Patent ID: 7210584

Claim:
A filter device, comprising: a first module including a screw-in component with a first threaded section for mounting the filter device and with a second threaded section, including a perforated supporting tube fixedly attached to and extending from said screw-in component at a first axial end of said supporting tube, and including volume displacement component fixedly attached to said supporting tube at to a second axial thereof to form an integral component end of said supporting tube; and a second module including a metal wool filter medium, including a support grid enclosing said filter medium and including first and second fixing components retaining and fixed to said support grid and said filter medium and spaced from one another by said support grid and said filter medium, said first fixing component being threadedly coupled to said second threaded section of said screw-in component, said second fixing component forming a handle for manipulating the filter device and encircling said volume displacement component, said filter medium encompassing and being supported on an interior thereof by said support tube.