This cover is used to close the filtration system of your spa.
A lock ring is required to hold it in place.
Using its internal notch, it is possible to add a bromine diffuser or a flow regulator.
Waterway reference : 511-1000
- Inner diameter: 158 mm
- Outer diameter: 141 mm
- Thickness: 65 mm
- External diameter male filter plug: 53.60 mm
- Internal diameter filter plug: 46 mm
These items are not included :