Universal Robots Controller filter 5 pcs. 170020

Air Valves & Controls COIL Features: "Coils Come With Two Fasteners (Hole/No Hole), Use The One That Matches The One Off The Control Valve Since Some Valves Vent Through It" ...

Universal Robots Filter kit for controller 

Controller Box CB5.5

excom I/O System, Modex Filter, Capacitor to improve the power-up performance/operational safety

Controller OEM DC e-Series