Arm & Hammer (ARMCW) A& H Oreck XL Premium Paper 9 Pk Bag Arm & Hammer Baking Soda neutralizes odors as dirty air passes through the bag, keeping your home smelling fresh ARM & HAMMER Premium Allergen vacuum bags capture 90% of allergens at 1 micron or larger including pet dander, grass and ragweed pollen, househould fiber and dust mite debris. Make sure you're fully stocked with this 9 pack of vacuum bags so you always have a new bag on hand 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 bagless vacuums