This is a Mechanical Seal Assembly with Viton designed for Max-E-Glas II/Dura-Glas II, IntelliFloXF, Max-E-Pro Series, WhisperFloXF and IntelliPro VS 3050 Pumps. This shaft seal and been designed to meet or exceed the manufacturer’s specifications.
This seal is also identical to these manufacturer part numbers: Hayward SPX4000SA2, Swimquip 374000-028S, and US Seal PS3868.