• Pro-Tec Surge Suppressor protects all relay switches and computers when MIG welding while battery is still connected
• Disconnecting battery loses important computer memory and still does not protect relay switches within 2 feet of MIG welding
• By attaching the Pro-Tec Surge Suppressor you're guaranteed protection against any transient voltage spikes
• Works with all 12 volt batteries
• Exclusive triple protection
• The only suppressor made in the USA
• Battery does not have to be disconnected
• Works on all domestic and foreign vehicles
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