These high quality heads fit the electric toothbrush of Georganics. Extremely easy to replace, they are a safe, high-quality product. Gently remove the old head and insert the new one onto the metal pin. Replace the heads every 3 months at the latest! | Features: dupont 610 bristles. | Product type: Oral hygiene product Brand: Georganics Toothbrush type: for adults, medium Features: unisex |