Standard Wall Fitting 1-1/4" Length Hole Size: 2-3/8"Replacement Parts: Ai #4-40-001 / Mfg #10-4100 Jet Body Ai #4-40-0038 / Mfg #30-3801Wht Wall Fitting Ai #4-40-0040 / Mfg #30-3804Clr Gasket Mfg #50-3500 Jet Internal Replacement Option For: Mfg #23300100 Specifications Category: Jets / Jet Parts Subcategory: Jet Assemblies 10-5100WHT