Features: 1. Perfect Compatibility: MOFELE toothbrush replacment heads are perfectly compatible with Oral b iO series 3/4/5/6/7/8/9/10, for Gentle Care, Ultimate Clean, Ultimate White clean Gentle and Effective Cleaning: MOFELE io toothbrush head is made of high quality bristles with 1.5 times the number of bristles planted. Removes up to 100% of plaque compared to regular manual toothbrushes .
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