| 摘要 |
A filter assembly for collecting material that is entrained in a gas stream comprises a housing for a tubular filter element. The housing has an inlet and an outlet for the gas that is to be filtered, and comprises a body section and a separable end cap. The body section has at least one longitudinally extending formation in its internal wall and its cross section is substantially constant along its length. The body section has a generally transverse groove formed in its internal wall which can be engaged by the end cap to connect it to the body section, the transverse groove having a discontinuity at a longitudinally extending edge of the longitudinally extending formation.
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