Pentair PacFab 1.5in HiFlow Multiport Valve, Plastic Washer, 272505
No. 4 Image 27-2402 Pac Fab Washer, Plastic. Used on Pentair Pac-Fab 1.5in Hi-Flow pool filter multiport valves. Does Not Fit 2.0in Valves, see pn 272402. Use two (2) plastic washers per valve. One sits under the handle, and another sits on top of the spring, under the valve cover. More Pentair PacFab Praher multiport valve parts in our parts department.