Originally Posted by iowasparrow
Don't use it to fill your tires. The air that comes out of it is not compatible with the nitrogen you put in your tires. I think it's a different kind of nitrogen.
The primary use of nitrogen in tires is because it is a large molecule and does not seep through the somewhat porous rubber tires. Plain old air is 78% nitrogen. Check out the differences between air filled tires versus nitrogen filled......
Should You Fill Your Car's Tires With Nitrogen?
If you spent a lot of money filling your tires with nitrogen, then do not use the MH's air coupling. Otherwise, the air coupling can be used for topping off your MH's tires.