Eureka DCF-21 Filter; Long-Life WASHABLE, REUSABLE and Allergen Filtration, Similar to Eureka DCF21 Part # 67821, 68931, 68931A, EF91, EF-91, EF-91B; Made by ZVac Washable & Reusable Eureka DCF21 Vacuum Cleaner Filter by ZVac Compare to Part # 67821, 68931, 68931A, EF91, EF-91, EF-91B Fits ALL Eureka and Sanitaire Air Speed Bagless Upright Vacuum Cleaners Absolutely Essential for Allergy Sufferers! 1 pack - Made by ZVac