The diffuser mounts onto the seal plate of the Wavemaster 7000 second version and the Wavemaster 9000 jet pump using seven stainless steel screws

Sta-rite Diffuser used on the 1HP and 2HP Max-E-Glas jet pumps on Hot Spring spa models

After-market Sta-rite Diffuser used on the 1HP and 2HP Max-E-Glas jet pumps on Hot Spring spa models

The diffuser screws onto the seal plate of the Wavemaster 7000 (v 1) with 3 screws which are included