• Universal compatibility: These electric toothbrush heads are compatible with all Oclean electric toothbrushes for adults, including models like Flow, X pro Elite, X pro Digital, X pro, among others. • Guaranteed safety: The bristles are FDA certified and the brush head materials are safe for the mouth, allowing worry-free use. • High-quality bristles: Equipped with high-density DuPont diamond bristles, these heads provide an exceptional cleaning experience and 30% better stain removal than a manual toothbrush. • Ergonomic design: The W-shaped brush head with diamond bristle tips fits teeth better, offering greater protection and maximum comfort. Additionally, it includes a tongue cleaner for fresher breath. • Replacement recommendation: Dental professionals suggest changing the brush head every 2-3 months to maintain optimal hygiene. • Product dimensions: Width: 1.5 cm, Height: 8.5 cm, Length: 1.5 cm, Weight: 0.017 kg.