This Pentair External Tooth Lock Washer is size: #8.
It is used with Dyna-Pro/Dyna-Pro E; Dyna-Glas/Dyna-Max Series; Dyna-Wave Series; Dyna-Jet TPE Series Replacement Parts; Max-E-Pro Series; Max-E-Glas II/Dura-Glas II; IntelliPro VS 3050; Max-E-Glas/Dura-Glas Series Full Rated Model and Max-E-Glas/Dura-Glas Series Up Rate Model Pumps.
