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		 i got mine filled with it...it apprantly is lighter and has bigger molecules so they wont escape through the tire wall as easy....but for some reason...my tires are looking a little low..but it has been...at least 3 months since ive got them filled...im just going to put air in mine for now... see the comparasion... 
		
	
		
		
		
		
		
	
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