About this itemMaintain a functional toothbrush with these Compact Waterpik Sonic-Fusion replacement brush heads SFRB-2EW-B. The two-in-one design lets you brush and floss at the same time, offering enhanced convenience and versatility. These Waterpik Sonic-Fusion replacement brush heads feature soft bristles with a high-low layout that are gentle but effective at keeping teeth clean and fresh. Features