Genuine Philips Sonicare rechargeable electric toothbrush headCompatible with screw on Philips handles: Advance, Essence, Elite, CleanCare and Xtreme handles. Not compatible with Essence+#1 Recommended power toothbrush brand by Dental ProfessionalsUltra soft bristles for a gentle, more effective cleanDentists recommend replacement every 3 months for optimal results
