Threaded-In Style

Waterway Plastics Power Storm Jets with threaded in fixing method to retain the jet face in the body.
This is a new design from approx 2013+ but NOT USED on any Australian manufactured spas
These threaded-in style jets are fitted to imported spas 2013+ 
From Jan 2018, these threaded jets are the only style available once existing stocks of older Snap-In style jets are exhausted.

Easily identified by the threads on the rear of the front face section.