Jacuzzi® Spas Flow Switch with Box End connectorsJacuzzi® Hot Tubs models:
Jacuzzi® Spas J-300 LCD Series Models, 2002+ (with box end connectors)
If you have 2002+ LED J-300 use the
Sundance Spas ® Hose Barb for Pump Black Plastic with O-ring
Barb Size 3/8"Plumbing Connection Size 1/4"Plumbing Connection Type Male Pipe Thread (mpt)