Originally Posted by BrianShaw
I still use Kodak gel filters, too. They get handled with kid gloves and stored in a hard-shell case (an old floppy disk holder - 8" size for anyone who remembers them).
I use the 3" and a 3 1/4" disk holder. It holds an easy eight or slightly squeezed 10 in the original envelopes.
Heavily sedated for your protection.