You may want to add a 1/4 turn 1/4" ball shut off valve right behind the quick connect as I've never found one that didn't leak. Now all I have to do reach under the truck and turn the valve to have all the air I need. Believe me it will help in the long run by not running the compressor as much.
2012 Sandpiper 365SAQ weighing @ 15k, Onan, 2nd air, slide toppers, TST
2013 F350 6.7L Lariat 4x4 CC DRW,Viair 1007, Ride-Rites, Edge CTS, B&W
2001 Chevy 3500CC DRW 4x4, 8.1L, 4.10 gears w/ Detroit TrueTrac
2001 Ford Excursion Limited 4x4 7.3L,V/B Spring Mod, ProComps, Hellwig Swaybar, & other 'Necessities'