05-20-2006, 05:25 PM 
		
	
	
		I have a Super Fat Cat.  I use a 12 volt pump.  I have a 2-way pump also I bought from Cabelas that is designed for float tubes but the fittings dont fit the valve on the tube.  I am a beginner tuber and don't have much experience with these valves.  Will air pressure alone push in the spring on the valve to let the air in  or do you have to push the spring down first?
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