Comparison : Item # DP2-01-001, Differential Pressure Indicator
Item # DP8-01-000, Replacement Differential Pressure Indicator
Item # FRP-96-300, Replacement Differential Pressure Indicator
Item # GRP-95-022, Cap, Differential Pressure Indicator
Item # GRP-95-973, Automatic Drain 3/8"- 10mm (Nitrile)