Filter Device

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The invention relates to a filter device with a housing (10) composed of at least two housing parts (12, 14) which are to be connected detachably to one another, said housing holding a filter element (26) which comprises a support tube (28) and a filter material (32) surrounding the support tube (28), wherein the ends (34, 36; 38, 40) of the support tube (28) and filter material (32) run into at least one holding part (42, 46; 44, 48). Since, according to the characterizing part of claim 1, the filter material (32) can be withdrawn in a direction (50) to separate it from the support tube (28) and since, in this direction (50) of withdrawal, the support tube (28) and the filter material (32) alike are provided with a predeterminable taper, it is possible for the contaminated filter material (32) to be readily withdrawn from the support tube (28) such that the support tube (28), together with its holding parts, can be reused in conjunction with a newly inserted filter material (32).