Electric Toothbrush, Dedicated Replacement Brush for Hapika, 2 Tiers of Hair Planting (BRT-6T) is a replacement brush that can be used to wrap your teeth and teeth with a 2-stage flocked hair that sheds your teeth and teeth at the same time massaging your gum while removing your teeth and grime. Replacement brush that can be used with all Hapica series models. The bristles are soft.