It can be used in the Kirby Sentria.
Kirby Sentria II
Kirby Ultimate Diamond
Kirby Ultimate G
Kirby Generation 3
They filter 99.97% of all common household dust, pollen, mites and other particles.
Note that this is an aftermarket replacement vacuum cleaner bag manufactured by Clean Fairy. Any vacuum cleaner manufacturer brand name is used solely for the purpose of demonstrating compatibility