Waterway 4 Inch Massage Poly Storm Jet Large 5 Scallop Black 212-8151

Waterway snap in Massage Internal Jet Large 5 Scallop Black 212-8151.

Waterway Massage Jet (Large Face - 4") with multiple nozzles, large, 5 scallop, black in the snap-in style.

212-8151 jet in black  4 inch diameter jet face.

2 left.

or see this jet in stainless steel as 212-8151S

or there is the silver directional generic jet 212-8059-STS

These jets fit snap-in type Poly Storm jet bodies like 212-0400B