Built in Riser Showerfeed Hole. Use with 19" Pads. Fits many floor cleaning machines including Advance: Pacesetter 20, 20HD, 20TS, 20SD. Pad Driver, 19, 1/2 Trim, W/ Lp92 Clutch Plate And Pad Clip. Fits Clarke. Part Number 30639A. Fits many floor cleaning machines.
