16mm Captive Hose O-Ring 140MM How do the different elements

16mm Captive Hose O Ring 140MM How do the different elements How do the different elements connect to the Power Hub 7 16'' Flare FEMALE SWITCH PORT: N A MOISTURE INDICATOR: N A RELIEF VALVE: HPRV SIGHT GLASS: No MOUNTING BRACKET: N A Can be installed on the following vehicles: CASE IH FLOATER (S) CASE IH SPRAYER (S) JOHN DEERE TRACTOR (S) MASSEY FERGUSON TRACTOR (S) MELROE 220 Spra Coupe MELROE 230 Spra Coupe MELROE 3430 Spra Coupe MELROE 3440 Spra Coupe MELROE 3630 Spra Coupe MELROE 3640 Spra Coupe MELROE 4440 Spra Coupe MELROE 4450 Spra Coupe MELROE 4460 Spra Coupe MELROE 4470 Spra Coupe MELROE 4480 Spra Coupe MELROE 4640 Spra Coupe OWATONNA MUSTANG SKIDSTEER (S) WILLMAR SPRAYER (S) Can Use Alternative Version KA80184