Electric Toothbrush Replacement Heads Compatible with Oral-B for Gum Health Improvement.1 Pack Dupont Bambo Bristles Replacement Toothbrush Heads(4PCS)

BAMBOO CHARCOAL INFUSED BRISTLES: The bristles of our brush heads contain active ions of bamboo charcoal, which can effectively remove plaque, whiten teeth, and freshen breath.b. HEADS FOR PRECISION CLEAN: Classic round head and 3D bristles design, small head, suitable for precision clean tooth-by-tooth.. EASY TO INSTALL: Electric toothbrush head is compatible with the entire lineup of Oral-B rechargeable handles. (Except Oral-B sonic toothbrushes). And It is easy to install, just pull your old brush head and snap the new one on, easily and smoothly.. Compatible with Oral B rechargeable electric toothbrushes, such as model 3756 3757 3765 3744 3709 3762 4739 4729 etc, except for iO and Sonic toothbrushes.. Refills for electric toothbrush- package include 4pcs replacement toothbrush heads for compatible with Oral b electric toothbrush (Charcoal infused bristles bamboo charcoal toothbrush head); coloured rings come with each brush head for identification.