Jet with Face Width, 4" to 4 15/16"

This part is a Complete Jet Internal, Waterway, Poly Jet, 4-1/4" or 4-3/16" face diameter, Roto, 5 Scallop, White...  

This part is a Complete Jet Internal, Waterway, Poly Jet, 4-3/16" face diameter, Roto, Deluxe Scallop, White...  

This Part is a Complete Jet Internal, Waterway, Power Series, 4-3/4" face diameter, Multissage, Scalloped, White... This jet has a face that you can switch 4 times by twisting th

This Part is a Complete Jet Internal, Waterway, Power Series, 4-3/4" face diameter, Multissage, Smooth, White... This jet has a face that you can switch 4 times by twisting the i

This part is a Complete Jet Internal, Rising Dragon, Threaded, Quantum, 4-3/8" face diameter, Straight, Stainless Steel, Black... Commonly

This part is a Complete Jet Internal, Rising Dragon, Threaded, Quantum, 4-3/8" face diameter, Straight, Stainless Steel, Gray... Commonly u

This part is a Complete Jet Internal, Rising Dragon, Threaded, Quantum, 4-3/8" face diameter, Twin Spin, Stainless Steel, Gray... Commonly

This part is a Complete Jet Internal, Rising Dragon, Threaded, Quantum, 4-3/8" face diameter, Twin Roto, Stainless Steel, Black... Commonly

Jet Internal, Pentair, Cyclone Luxury, 4-1/8" face diameter, Pulse Nozzle, LS,, Textured, Gray This smiley face cut out in the back of the diffuser is a tell tale sign that your jet is a Cyclone...

This kit is a Set of (10) Replacement Diffusers for a 3 1/2" to 4.10" Pentair Cyclone Jet made by Pentair.

This part is a Complete Jet Internal, Waterway, Poly Jet, 4-3/16" face diameter, Fixed Directional, Deluxe Scallop, White...  

Jet Internal, Pentair, Cyclone Luxury, 4-1/8" face diameter, Directional, Textured, Dark Gray This smiley face cut out in the back of the diffuser is a tell tale sign that your jet is a Cyclone...