Dust collector filter cartridge and attachment means for suspending same from baghouse tube sheet

A combination of

• A. a baghouse tube sheet having a plurality of holes therein;
• B. a small-diameter filter cartridge, said cartridge having an annular cap at its upper end, said cap having a depending outer flange having an exterior annular bead;
• C. attachment means connected to said filter cartridge and suspending said cartridge from said baghouse tube sheet and in flow communication with one of said holes, said attachment means being adapted for installation of the filter cartridge from either below or above the tube sheet, said attachment means comprising:
• a. a boot having a hollow cylindrical body portion;
• b. said boot having at the upper end of its body portion an outwardly extending flange having an annular groove in its exterior surface;
• c. said boot having at the lower end of its body portion a skirt having a diameter larger than that of the cylindrical body portion and forming an annular shoulder receiving the peripheral edge portion of said cap of said filter cartridge;
• d. said skirt having an annular groove in its inner surface receiving the annular bead of the cap of the filter cartridge;
• and
• e. a steel band embracing said skirt and holding said bead in said annular groove of said skirt.