Enjoy a more captivating smile with Equate EasyFlex Total Power Replacement Toothbrush Brush Heads. Compare to Oral-B Precision Clean Replacement Brush Heads. The multi-level bristle design of the EasyFlex Total Power brush heads help provide a more effective cleaning experience even in those hard to reach areas removing more plaque than a manual toothbrush (based on in vitro laboratory testing). The Bacteria Defense Bristles help keep the brush clean for up to 3 months (inhibits microbial growth that may affect the bristles. The bristles do not kill bacteria in the mouth or protect you against disease. Always clean the product thoroughly after use). The Replace-Me bristles fade with use to remind you when to replace your brush head. These brush heads are compatible with most Oral-B electric toothbrushes (not compatible with iO Rechargeable 3D White Complete Gum Care Battery). For optimum hygiene replace your toothbrush heads every 3 months.