Product Description
This item is a Jet Body & Nut for a Pentair Cyclone Luxury Jet that features a 3/8" barbed Air Connection and a 3/4" barb Water Connection... The hole size for the hot tub shell is about 2 3/8"- 2 1/2" ... The Jets that fit this Jet body can have Face Widths of 3 1/2", 4" or 4 1/8".. It also has what we call a smiley face cut in the back of the diffuser..
These are links to Jets and other Parts that fit this Jet Body...
Pentair Spa Jet Diffuser Cyclone Luxury Hot Tub 3.5 to 4.10" Part
Jet Intnl,BWG/Pent Cyclone Luxury,3-1/2"fd,Dir,5 Scal,Dk Gry
Jet Intrnl,BWG/Pent Cyclone Luxury,3-1/2"fd,Swirl,Txt,Dk Gry
Jet Intrnl,BWG/Pent Cyclone Lux,3-1/2"fd,Swirl,Scal,Dk Gry
Jet Intrnl,BWG/Pent Cyclone Lux,4-1/8"fd,Dir,5 Scal,Dk Gry
Jet Intrnl, BWG/Pent Cyclone Luxury, 4-1/8"fd,Dir,Txt,Dk Gry