FutulkyUS Toothbrush Replacement Brush Heads for Philips Sonicare, Electric Sonic Tooth Refill Click-on Head 4100 Plaque Control, 4 Pack, White

DEEP CLEAN WITH DUPONT BRISTLES： The bristles are made of premium Dupont end-rounded Tynex Nylon filaments, which are soft and durable, easily clean the hard-to-reach areas of your teeth, delivers superior plaque and stain cleaning without irritating the gums.. 7x PLAQUE REMOVAL PERFORMANCE: The densely-packed bristles fit the shape of your teeth, with the white+ mode of your electric toothbrush, Futulkyus electronic replacement heads can effectively relieve teeth of their dullness and restore a healthy shine without doing any damage.. WIDE COMPATIBILITY: FutulkyUS sonic refill head set are compatible with Philips Sonicare Diamond clean, FlexCare, HealthyWhite+, EasyClean, Simply Clean, 2 Series Plaque Control, 3 Series Gum Health, etc, most click-on toothbrush handles.. INDICATOR BRISTLES & EASY TO INSTALL: The color of the indicator bristles will fade to remind you to replace the standard size toothbrushes head in time after 3 months use. Easy to install or detach. Just take the old brushhead off and snap the new one on. The 0.2-0.6 mm gap between brush head and handle is for better vibration.. HYGIENIC CAP & VACUUM PACKAGING: Each head is individually vacuum-sealed with a protective cover to keep bristles clean before use.