It comes standard with a 5/8" brass tube for the drain which doubles as the mount. For my application I used double sided tape to the wood, and used a 90 degree elbow that was 1/2" barb to 1/2" hose barb. I smoothed the barb ridge so it would fit snugly inside the welded drain stud and caulked it to seal the water. I did this as I could not find a 5/8" 90 degree elbow in a straight thread. Works great! Really does add that professional quality to the jockey box!
Great service. Quality product