I would say it depends on the filter media being used, and whether it will leach it back out into the tank. I would definitely run it through several batches of dechlorinated water, as your current tank water may be contaminated.
If you're using carbon, I'd say just toss it and get new stuff. If you're running purigen, it may have been fouled by the toxins from the sealant anyway.
For the physical filter media (ie, floss, pads, etc), it's probably safest to get new stuff...just in case.
It's a PITA, yes, but prevents a rerun of the events...