EurekaA (R) Type RR Vacuum Bags (3 Pack) Fits EurekaA (R) Ultra or Boss SmartVac 4800. Replace every 1-2 months. AirFilters.com These EurekaA (R) Type RR Bags fit EurekaA (R) Ultra or Boss SmartVac 4800. Each package includes 3 Genuine EurekaA (R) Filteraire 61115 disposable dust bags, which capture 99% of dust mites, grass and ragweed pollen, and other allergens as small as 1 micron. For optimum performance, it is suggested to change your bag every 1-2 months! By retaining dust, pollen and other particulates and allergens from the air while you vacuum, these vacuum bags make the air in your home or business cleaner and more breathable. Purchase a pack for your vacuum cleaner today!