Filter bag tensioning spacer
FIG. 1 is a top plan view of a filter bag tensioning showing my new design; 
     FIG. 2 is a side elevational view thereof, the opposite side being a mirror image of the side shown; 
     FIG. 3 is a bottom plan view thereof; and 
     FIG. 4 is another side elevational view taken 90 degrees to the left of FIG. 2, the opposite side being essentially the same as the side shown.