I have a Century 125GL mig with the gas conversion kit. It has a preset regulator, no gauges so no way to tell how much gas is left. 
Is there a gauge that would go on the tank and the preset regulator would screw into the gauge rather than buying a new regulator with gauges?
	
		
			
		
		
	
				
			Is there a gauge that would go on the tank and the preset regulator would screw into the gauge rather than buying a new regulator with gauges?