CARTRIDGE-TYPE FILTER ELEMENT AND HOUSING THEREFOR

A cartridge-type filter element in which the filter structure is of envelope-type construction with spacing means therein, the filter structure having a greater planar dimension in one direction than the corresponding dimension of a container in which it is disposed, and having a corrugated or serpentine configuration in transverse cross section along said greater dimension to permit such disposition, such container having therein a quantity of filter material in the form of discrete particles, present in an amount to provide an effective filter layer on such filter structure with the latter forming a supporting structure for such filter layer, novel housing means also being provided for one embodiment of such filter element.