PacBrake had a booth at the Quartzite (AZ) RV Show, this past week. They had cut-aways of three different air bags. One had steel ends that they said could rust, especially, from the inside. Another had plastic ends & PacBrake had very thick aluminum ends.
Also, in the middle of the bags, there is a ridge with metal cords going around the circumference of the bags. The PacBrake unit looked like it had the best varity of cords.
All this might not make any difference in air bag performance but, the PacBrake did look more impressive, to me.
I'm not suggesting that everyone run out & buy the PacBrake bags but, you might want to, at least, take a look at them. I wonder if PacBrake has pictures of the cut-aways of the different bags. Would be a good selling point.
Joe F. (Buffalo)