First4Spares Hose & Washable Filter For Dyson DC33 Vacuum Cleaners Filter & hose, made by first4spares, to fit dyson vacuum cleaners. Replacement stretch hose and washable filter for your dyson vacuum cleaner. Dyson recommend you wash the filter every 3-6 months to maintain constant suction. Fits dyson models: dc33 & dc33i Simply rinse it under water and let it dry over night Regularly replacing filters & dust bags reduces allergies and dust emissions - replace bags & filters frequently for optimum suction and cleaning performance whilst prolonging the life of your vacuum cleaner.