GAS FILTER CANISTER HOUSING ASSEMBLY

摘要

A gas filter canister housing assembly (20) capable of receiving gas filter canisters (28 or 40) of differing heights. The housing assembly includes first and second housing portions (54, 56) and holding means (60) capable of holding the housing portion together. the first housing portion has a cylindrical extension (70) in which a filter canister may be disposed, and the second housing portion includes a cup-shape end portion (102) and a depending flexible skirt (100) which may be held against the cylindrical portion (70) in various positions of adjustment.