Ball float. Fits Clarke EX40 16ST/18LX, Kent SelectScrub 17 and Nilfisk Advance Adgressor, AquaClean (16″ & 18″ models), AquaMAX, AquaRide, BA 750ST, BA 850ST, CMAX 28ST, Convertamax 20/26, ES300, ES400, Hydro Retriever 2800, Hydro Retriever 3800
Fits Aftermarket Nilfisk Advance 56391690
