Description
This is a Generic Filter Locking Knob O-Ring O-288 replacement with dimensions for various pool filter cartridges. The dimensions work with Hayward C900, Hustler A211, Jacuzzi 47021100R, Leisure Bay 111902, Pentair/American 55006700, 57006800, Sta-Rite/Swimquip 355051223, and Waterway 7111913, 8050117SD.
