Characteristics:1. Good quality, the old filter for Dyson DC33C DC37 can be replaced, especially perfect for allergy sufferers and people with pets.2. Easy to install, you can remove and reinsert the old Dyson vacuum cleaner filter.3. Replace the filter for Dyson DC33C DC37 every 2-3 months.This can extend the life of your Dyson vacuum cleaner and provide you with a comfortable home.Package:1 x pre-motor filter for Dyson vacuum cleaner.Compatible Models:Suitable for floors with allergies: DC33C, DC37, DC33, DC28C, DC28C ERP Multi Floor, DC28C ERP Musclehead, DC28C ERP I, DC28C Exclusive UK, DC39 Animal, DC39 Multi Floor, DC39 Multi Floor Complete, DC39 Animal Complete and DC39i, DC53ERP Totally CleanA notice:This is not an OEM Dyson product and is not subject to any Dyson manufacturer's promise.Dyson trademarks and logos are registered symbols of their respective owners.Any use of the Dyson brand or model name for this product is solely to demonstrate compatibility.