Fits model series: Eureka (Registered trademark of vacuum cleaner manufacturer) 4800 Series Uprights. Microscopic allergen. Grass & weed pollen. Dust mite debris. House dust. Micro allergen filtration: From the air your vacuum pulls through the bag, Filtrete Micro Allergen vacuum bags capture 94% of particles larger than 1 micron in size, including dust mite debris, grass and ragweed pollen. They also capture 57% of particles between 0.3 and 1 micron in size, including household fibers and other microscopic allergens. Performance guarantee: Filtrete vacuum bags are guaranteed to be free from defects in material and workmanship. Performance and fit guaranteed. www.filtretevac.com. 80% recycled paper. Please recycle it again. Made in China.