Kirby Upright Paper Bags - Generation 4, 3 Pack

Kirby packages this paper bag three to a box under part 197294S, and the same bag serves the Generation 4 and 5 machines, the GSix, the Sentria, and both the Diamond Edition and Ultimate G models.

These machines load a bag from the bottom rather than the top, so one well past half full can still look reasonably empty at a glance from outside. Airflow through the paper's pores collapses once the fill passes roughly two-thirds, and the change is sudden rather than gradual: the nozzle suddenly takes real effort to push, the motor's pitch climbs noticeably, and fine debris starts drifting back out around where the bag meets its collar instead of staying captured inside. That escaping dust is usually the clearer tell than pickup alone, since it shows up before the loss of suction is obvious underfoot.

A box of three is roughly enough for an average season of cleaning in a two-person home, considerably less with pets shedding into the carpet daily, and the better habit is watching how the machine performs rather than counting weeks since the last change, since two households running the identical model can burn through bags at very different rates. Keeping one spare box on the shelf avoids running the machine on an overfilled bag simply because none were left when the last one finally gave out.

• Part: 197294S, 3 bags per pack
• Fits: Kirby G4, G5, GSix, Ultimate G, Diamond Edition, Sentria
• Style: upright paper bag
• Change on: weaker pull or airflow, not appearance