16X ReplacementToothbrush Heads Compitable w/ Philips Sonicare Brush Heads HX601

Blue Indicator Bristles Sonic Replacements Brush Head New in PKG 4 packs of 4 each. Compatible with P-HX-6014 Replacement Brush Heads Features: High quality Generic Sonic Replacement Brush Heads made with end-rounded US Dupont Tynex Nylon Bristles for offer exceptional cleaning of tooth surfaces and deep between the teeth. Effectively removes plaque without irritating gums. How to use: Blue indicator bristles fade halfway so you know when to replace your brush.