Filter Wingnut

FIG. 1 is a top and left-front perspective view of a filter wingnut showing the new design;

FIG. 2 is a bottom and right-back perspective view thereof:

FIG. 3 is a front elevation view thereof:

FIG. 4 is a back elevation view thereof;

FIG. 5 is a left-side elevation view thereof;

FIG. 6 is a right-side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken line showing of a filter wingnut is for the purpose of illustrating portions of the article and forms no part of the claimed design.