09-06-2012, 05:04 PM
The one in photo #1 is hooked to your pressure booster & I use it to fill my tires. The one in photo #2 is "shop air" & I use it to blow stuff off or I use it when I want to air up the coach without starting it by hooking up to my shop compressor.
Steve Bare
1999 Newell 2 slide #531