9 pack of vacuum bags designed to replace Koblenz 45-0315-7 upright vac bags.
This bag is actually a Eureka Style F & G vacuum bag.
This bag for Koblenz attaches to an outlet based at the bottom of the vacuum cleaner, inside the cloth outer bag.
Same size as Koblenz bag 45-0220-01-7, 450220-017, 45-0728-1 and 4507281.
Examples of Koblenz upright vacuum models that use the F&G bag includes:
U-90 Z SOA, U-90 Z SOA, U-80 Z SOA, U-80 Z and U-40 Z.