Package Quantity:2 Contact me if you are interested in larger wholesale quantities of this or other products. Front Exhaust Filter Dimensions: 6 3/8" x 4 3/4" Designed to fit original manufacture : 61111, 61495, 61111A, 61111B, 61111C Designed to Fit these models series and others: Eureka upright Ultra Smart Vacuum 4800 Model Series Eureka upright Boss Smart Vacuum 4870, 4874, 4875 Eureka Omega upright models 4870A, 4870AV, 4870B, 4870D, 4870DT, 4870F, 4870G, 4872A, 4872B, 4874A, 4875A Eureka UltraSmart Vac Cyclonic models 4880A, 4885, 4885A, 4885B Eureka Whirlwind Model 4880B All Eureka vacuums using HF-2 filters Item is: HEPA filtration Allergy Vacuum Filter Traps Bacteria, Dust Mites, etc.down to 0.1 micron