FYI, the "squishy balls" that VPI is using in the new air suspension footers are paddleballs - specifically Reactor brand paddleballs:
Reactor Paddleballs
The good news is that replacements should be readily available at your local sporting goods store in the event paddleballs supplied with the footers were to gradually lose pressure.
Reactor Paddleballs
The good news is that replacements should be readily available at your local sporting goods store in the event paddleballs supplied with the footers were to gradually lose pressure.