What side is the fill nipple on Flatlines?

[Cypres0099]

Can someone tell me what side the fill nipple is on on flatlines? I'm looking at getting one but it needs to be either on the bottom or the right.

[FrAuStY]

I believe you can change the side which it is on.. left or right. I've seen people with the fill on the left with a tank gauge on right. And vice versa...

[cphilip]

It comes on the right. But you could change it over and put the tank pressure guage on the right and it on the left. If you need bottom input a 90 degree elbow will do that for you.