Jacuzzi® (47-0112-00-R) Fits Stem, Crank, Pump, Filter O-ring (Before 2/1/1993) Cygnet/Magnum-CFR25 & CFT25/Triclops SLPH & SLTPH/ CFT 50/100-CFT 5BY-100BY, Plug O-ring Earthworks Separation Tank LH (Units Prior 6/1993)