Waterway Plastics has discontinued the snap-in Cluster Series Jets. While Quantities Last
Waterway Pulsator Cluster Storm Jet Insert (includes diffuser).
If you have Snap-in style jet housings, you must use Snap-in style inserts (the newer threaded style inserts will not fit).To install jet insert, push in and rotate a 1/4 turn clockwise. To remove jet, rotate counter-clockwise (about 1/4 turn until it stops) then apply additional turning force to unlock.
Once these are gone, There will be one replacement option - Light Grey "Sterling Silver" - Directional Jet - 212-1549-STS