Toothbrush Heads - Premium Plaque Control - Compatible with Model Numbers FlexCare+ HX6921/30 HX6921/31 HX6972

- SUPERIOR QUALITY: Made With Nylon Bristles With Rounded Ends And A Large Head! - MODELS: This Toothbrush Head Is Specifically For Model Numbers: FlexCare+ HX6921/30, FlexCare+ HX6921/31, FlexCare+ HX6972 - TOOTHBRUSH HEAD STYLE: Premium Plaque Control - SPECIAL FEATURES: This Toothbrush Head Offers Replacement Reminders When Used With A Handle That Supports Such Technology! - QUANTITY: This offering Is For Two Factory Sealed Packs That Contain Four Toothbrush Heads In Each Pack - For A Total Of 8 Toothbrush Heads.