Picolino filter with optimized keylock

FIG. 1 shows a perspective top view of the picolino filter with optimized keylock showing our new design;

FIG. 2 shows a front elevational view thereof;

FIG. 3 shows a rear elevational view thereof;

FIG. 4 shows a right side elevational view thereof;

FIG. 5 shows a left side elevational view thereof;

FIG. 6 . shows a top plan view thereof;

FIG. 7 shows a bottom plan view thereof; and,

FIG. 8 shows a perspective bottom view thereof.

The broken lines in the drawings form no part of the claimed design