K Krieg Joined Jul 23, 2017 Messages 1,035 Location Off World Oct 22, 2021 #1 Purchased new old stock (FPS9688) from ebay. How to decipher date code? I googled to no avail. No date code on filter. Only box!
Purchased new old stock (FPS9688) from ebay. How to decipher date code? I googled to no avail. No date code on filter. Only box!
