EnviroCare Replacement Vacuum Pre and Post Motor HEPA Filters for Dyson DC27 & DC28 EnviroCare Replacement Dyson DC27 and DC28 Animal Replacement Filters. Includes Both the Blue Washable Primary Dust Cup Filter, and the Post Motor HEPA Filter Cartridge Fits Dyson Primary Dust Cup Blue Sponge Type Filter, Part 919780-01, and Post HEPA Filter Cartridge 915916-03 Fits Dyson DC-27 Animal, DC27 HSN, DC27 Mail Order, as well as the Dyson DC28 Animal, DC28 All Floors Models 99.97% HEPA Filtration Traps Microscopic Particles and Allergens Manufactured by EnviroCare Technologies, the leader in premium aftermarket Vacuum bags and Filters