Seal

FIG. 1 is a rear perspective view of a seal of a patient interface;

FIG. 2 is a front perspective view of the seal of of FIG. 1 ;

FIG. 3 is a left side elevational view of the seal of FIG. 1 ;

FIG. 4 is a right side elevational view of the seal of FIG. 1 ;

FIG. 5 is a rear elevational view of the seal of FIG. 1 ;

FIG. 6 is a front elevational view of the seal of FIG. 1 ;

FIG. 7 is a top elevational view of the seal of FIG. 1 ;

FIG. 8 is a bottom elevational view of the seal of FIG. 1 ; and,

FIG. 9 is a cross-sectional view taken along line 9 - 9 of FIG. 6 .

The broken lines represent portions of the seal that form no part of the claimed design.