used
All assemblies include head, shroud, hardware mounting assembly and one filter cartridge (AR40000 includes 2 cartridges).Usage:AR-PRE: all machinesAR-10000: QMs, Q130-270 and 400 FlakerAR-20000: S300-600 and 700/800 FlakersAR-40000: S850-1800, QDUAL