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

Thread-In 4" Poly Storm Jet with twin roto nozzle made by Waterway. This jet has a gray and stainless steel face and threads into the jet body provding a long lasting tight fit. Can be used to replace the 3-3/8" size. Installation Type Thread...

This part is a Complete Jet Internal, CMP, Typhoon 400, 4" face diameter, Directional, Wave Style, Stainless Steel, Gray...   NOTE: Cmp Jets do not offer a Replacement Diffuser for this Jet..   Installation Type Snap In Face...

This kit is a (5) Replacement Jet Back Diffusers for a 3 3/8" to 4" Waterway Poly Storm Jet...  Jet Part Type Diffuser Manufacturer Waterway Model Poly Storm Total Length 3-9/16" Color White Special...

This kit is a Set of (5) Replacement Diffusers for a 3 1/2" to 4.10" Pentair Cyclone Jet made by Pentair. See the video for information on how to change the diffuser and how to determine whether you need a Waterway or Pentair Diffuser the jets look a...

This part is a Complete Jet Internal, Waterway, Dual Flo, Diverter Jet, 4-3/4" face diameter, Swim Jet, Smooth, Black with Directional style internal and Adjustable on/off control. Dual-Flo SeriesHole size required is 3-1/2"Note: 4-3/4" face...

This part is a Complete Jet Internal, Waterway, Poly Jet, 4-1/4" or 4-3/16" face diameter, Roto, 5 Scallop, White...   Installation Type Thread In Face Diameter 4-3/16" Jet Part Type Internal Diffuser Opening...

This part is a Complete Jet Internal, Waterway, Poly Jet, 4-3/16" face diameter, Roto, Deluxe Scallop, White...   Installation Type Thread In Face Diameter 4-3/16" Jet Part Type Internal Diffuser Opening Type 9 Base...

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 the inside face and it gives you 4 different types of jet massage....

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 inside face and it gives you 4 different types of jet massage..  This...

This part is a Complete Jet Internal, Rising Dragon, Threaded, Quantum, 4-3/8" face diameter, Straight, Stainless Steel, Black... Commonly used in: Dr Wellness, Four Winds Spas and Sunbelt Spas NOTE: This is a Jet Internal Rising Dragon Quantum with...

This part is a Complete Jet Internal, Rising Dragon, Threaded, Quantum, 4-3/8" face diameter, Straight, Stainless Steel, Gray... Commonly used in: Dr Wellness, Four Winds Spas and Sunbelt Spas NOTE: This is a Jet Internal Rising Dragon Quantum with...

This part is a Complete Jet Internal, Rising Dragon, Threaded, Quantum, 4-3/8" face diameter, Twin Spin, Stainless Steel, Gray... Commonly used in: Dr Wellness, Four Winds Spas and Sunbelt Spas NOTE: This is a Jet Internal Rising Dragon Quantum with...