Patent Publication Number: US-D851766-S

Title: Cylindrical three-step filter

Description:
FIG. 1  is a perspective view of a cylindrical three-step filter in accordance with the present design; 
         FIG. 2  is a front view of the cylindrical three-step filter of  FIG. 1 ; 
         FIG. 3  is a rear view of the cylindrical three-step filter of  FIG. 1 ; 
         FIG. 4  is a bottom view of the cylindrical three-step filter of  FIG. 1 ; 
         FIG. 5  is a top view of the cylindrical three-step filter of  FIG. 1 ; 
         FIG. 6  is a left side view of the cylindrical three-step filter of  FIG. 1 ; and, 
         FIG. 7  is a right side view of the cylindrical three-step filter of  FIG. 1 .