Comparison : Item # 104392-3, 3/8" NPT Lock-Out Valve
Item # 104392-4, 1/2" NPT Lock-Out Valve
Item # 104396, Modular Clamp
Item # 104398-3, 3/8" NPT Pipe Adapter
Item # 104398-4, 1/2" NPT Pipe Adapter
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