20 PCS. (5X4) REPLACEMENT BRUSH HEADS COMPATIBLE WITH PHILIPS SONICARE ELECTRIC TOOTHBRUSH HANDLES. SUBSTITUTE FOR HX6013, HX6014 AND OTHER. FULLY COMPATIBLE WITH DIAMONDCLEAN, FLEXCARE PLATINUM, FLEXCARE+, HEALTHYWHITE, HEALTHYWHITE+, SONICARE 2 SERIES, SONICARE 3 SERIES, POWERUP. REPLACEMENTS BY ORAX® PEARLCLEAN.