Air filtration system

FIG. 1 is an isometric view of a first embodiment of an air filtration system of the present invention;

FIG. 2 is a first side elevation view of the first embodiment;

FIG. 3 is a rear elevation view of the first embodiment;

FIG. 4 is a front elevation view of the first embodiment;

FIG. 5 is a second side elevation view of the first embodiment;

FIG. 6 is a top plan view of the first embodiment;

FIG. 7 is a bottom plan view of the first embodiment;

FIG. 8 is an isometric view of a second embodiment of an air filtration system of the present invention;

FIG. 9 is a first side elevation view of the second embodiment;

FIG. 10 is a rear elevation view of the second embodiment;

FIG. 11 is a front elevation view of the second embodiment;

FIG. 12 is a second side elevation view of the second embodiment;

FIG. 13 is a top plan view of the second embodiment; and,

FIG. 14 is a bottom plan view of the second embodiment.

The broken line showing is for illustrative purposes only and forms no part of the claimed design.