The Oral-B CrossAction Black electric toothbrush replacement head features perfectly angled bristles to remove 100% more plaque for a superior clean*. The round brush head is inspired by dental professional tools for a tooth-by-tooth clean, with specially engineered bristles. Max Clean Bristles change from green to yellow to signal when to change your brush head to maximize your clean. Dentists recommend changing your brush head every 3 months. *vs. a regular manual toothbrush/br/br6 Genuine Oral-B CrossAction Black electric toothbrush replacement brush heads compatible with entire lineup of Oral-B rechargeable toothbrush handles, except for Oral-B iO and Sonic. #1 DENTIST RECOMMENDED TOOTHBRUSH BRAND WORLDWIDE. TESTED & TRUSTED: Oral-B CrossAction replacement brush head refills earned the American Dental Association (ADA) Seal of Acceptance. NO GUESSING: Max Clean Bristles change from green to yellow to signal when to change your brush head to maximize your clean. SUPERIOR CLEAN: Clinically proven superior plaque removal vs. a regular manual toothbrush./br/brGTIN: 069055131671. Best Sellers Rank: See Top 100 in Health & Household. Model Name: Cross Action Electric Toothbrush Replacement Brush Heads Refill. Age Range (Description): Adult. Size: 1 Count. Color: Black. Brand: Oral-B. Country of Origin: USA. : B09P8X64GD. Manufacturer: P&G. UPC: 069055131671. Item model number: EB50BK-5. Package Dimensions: 8.58 x 2.32 x 1.34 inches 4.16 Ounces.