HQRP® 4pcs Bulbs; Base: E17 Intermediate Screw; 3 Watts bulb; Voltage: 10V AC; Energy efficient light bulb. HQRP Bulb replaces ONLY Philips Sonicare Part # 423502504291 & 423509004221 and is compatible ONLY with the models mentioned in the product description. Compatible with Sonicare HX3300, HX3300/15, HX3351/02, HX3351/51, HX3551/02, HX3551/97, HX5351/46, HX5352/46, HX5352/97, HX5454/71, HX5454/97, HX5752/02, HX5754/71, HX5754/97, HX5853/71, HX5853/97, HX5910/71, HX5910/81, HX7351/02, HX7361/72, HX7551, HX7990/02, HX9500, HX9882/02, R710, R732, RS910, RS930, RS950 models; Compatible with Sonicare HX6150, HX6160, HX6160/D, HX6400, HX6400/97, HX6411, HX6411/02, HX6411/97, HX6431, HX6431/02, HX6431/97, HX6711/02, HX6712/75, HX6730, HX6731/02, HX6732/02, HX6733/70, HX6930, HX6932/02, HX6932/10, HX6933, HX6942/14, HX6942/20, HX6950, HX6952/02, HX6952/70, HX6962/70, HX6962/83, HX6972, HX6972/02, HX6972/10, HX6982, HX6992/03, HX6992/10, HX6993/03, HX6993/10 models; Compatible with Sonicare 5300, 5500, 7500, 9650, CLEANCARE, CLEANCARE HANDLES, E3000, E5550, E7000, E9000, E9500, ELITE ADVANCE, ELITE ADVANCE HANDLES, EXTREME, EXTREME HANDLES, FLEXCARE, FLEXCARE HANDLES, FLEXCARE PLATINUM, FLEXCARE+W/SAN, FLEXCARE PLUS, HEALTHYWHITE, HEALTHYWHITE HANDLES. Compatible with Philips Sonicare Part # 423502504291 & 423509004221;

Compatible with Philips Sonicare 5300 / 5500 / 7500 / 9650 / CLEANCARE / CLEANCARE HANDLES / E3000 / E5550 / E7000 / E9000 / E9500 / ELITE ADVANCE / ELITE ADVANCE HANDLES / EXTREME / EXTREME HANDLES / FLEXCARE / FLEXCARE HANDLES / FLEXCARE PLATINUM / FLEXCARE+W/SAN / FLEXCAREPLATINUM / FLEXCAREPLUS / FLEXCAREW/SAN / HEALTHYWHITE / HEALTHYWHITE HANDLES / HX3300 / HX3300/15 / HX3351/02 / HX3351/51 / HX3551/02 / HX3551/97 / HX5351/46 / HX5352/46 / HX5352/97 / HX5454/71 / HX5454/97 / HX5752/02 / HX5754/71 / HX5754/97 / HX5853/71 / HX5853/97 / HX5910/71 / HX5910/81 / HX6150 / HX6160 / HX6160/D / HX6400 / HX6400/97 / HX6411 / HX6411/02 / HX6411/97 / HX6431 / HX6431/02 / HX6431/97 / HX6711/02 / HX6712/75 / HX6730 / HX6731/02 / HX6732/02 / HX6733/70 / HX6930 / HX6932/02 / HX6932/10 / HX6933 / HX6942/14 / HX6942/20 / HX6950 / HX6952/02 / HX6952/70 / HX6962/70 / HX6962/83 / HX6972 / HX6972/02 / HX6972/10 / HX6982 / HX6992/03 / HX6992/10 / HX6993/03 / HX6993/10 / HX7351/02 / HX7361/72 / HX7551 / HX7990/02 / HX9500 / HX9882/02 / R710 / R732 / RS910 / RS930 / RS950.