Polaris 3900 Sport WMS Assembly w/ O-ring | 39-300 Clean and Clear Plus Cartridge Filters 5 Small Port O-rings

5 Small Port O-rings

If your Sensor Plate uses square holes then you will need the Gray Sensor Assembly

Its one‑piece threaded body replaces older pop‑up heads easily

The size balances capacity with ease of handling

Ideal for upgrading your valve without purchasing a complete unit

Polaris 3900 Sport WMS Assembly w/ O-ring | 39-300 Clean and Clear Plus Cartridge Filters 5 Small Port O-ringsPolaris 3900 Sport WMS Assembly w O ring (39 300) The WMS assembly w o ring is a replacement part made by Polaris. It is made from the same high quality materials as the original factory part. Making this a genuine OEM product. This WMS assembly is the most important feature of this cleaner. This part uses the water that comes from the return line and disperses it through 3 water jets that are above the center opening. This creates a water vortex that