FIG. 1 is a perspective view of a first embodiment of the venturi device;
FIG. 2 is a front elevation view, the rear elevation view being identical;
FIG. 3 is a right side elevation view, the left side elevation view being identical;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a perspective view of a second embodiment of the venturi device;
FIG. 7 is a front elevation view, the rear elevation view being identical;
FIG. 8 is a right side elevation view, the left side elevation view being identical;
FIG. 9 is a top plan view thereof; and,
FIG. 10 is a bottom plan view thereof.
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