Straight flow manifold
FIG. 1 is a perspective view of a straight flow manifold showing our new design; 
     FIG. 2 is a view showing the appearance in elevation of the front and rear thereof; 
     FIG. 3 is a view in side elevation thereof; 
     FIG. 4 is a bottom plan view thereof; 
     FIG. 5 is a top plan view thereof; and 
     FIG. 6 is a cross-sectional view taken on line 6--6 of FIG. 5.