Made by Waterway
As you can see in the image, this product is supplied in a grey colour. This waterway brand hot tub jet part is designed to fit onto 3/4" PVC Tubing and requires a spring clip and glue to fit it securely in to place.
Ozone Swirl Wall Fitting Jet Part Dimensions:
Fits Hole 32mm
22mm Nozzle Nut (Supplied) Screws onto back.