The Panasonic EW0900 replacement brush ensures thorough cleaning of all tooth surfaces at the same time. It is particularly recommended for the posterior molars or for children and people with limited mobility. The EW0900 is a standard accessory for the Panasonic DentaCare Sonodent EW1012, but is also suitable for the EW1031 and EW1035. Package EW0900 contains 2 pieces. All Panasonic replacement brushes are suitable for all sonic toothbrushes!