Gas sparging device

FIG. 1 is a bottom plan view of a gas sparging device;

FIG. 2 is a cross-section side elevation view of the gas sparging device taken along the line A-A in FIG. 1 ;

FIG. 3 is a perspective view of a bell of the gas sparging device of FIG. 2 with a skirt removed; and,

FIG. 4 is a perspective view of the skirt and bell of the gas sparging device of FIG. 2 .

The broken lines shown in the figures represent portions of the gas sparging device that form no part of the claimed design.