Arm & Hammer 67940GQ Vacuum Bag Fits Kirby* generation* series models, including generation 3*, G4*, G5*, six*, ultimate G*, ultimate G* diamond* addition and Sentra* (units built prior to 2009) Arm & Hammer baking soda has been trusted to neutralize the toughest odors for generations, helping you create your fresh home Arm & Hammer Premium allergen vacuum bags capture 90percent of allergens at 1 micron or larger including pet dander, grass and ragweed pollen, household fiber and dust mite debris Change your vacuum Bag every 1-2 months or more frequently if it becomes full and firm to the touch Vacuum bags keep dust, dirt, and debris from escaping back into the air for a more hygienic clean than bugless vacuums