Philips Norelco HQ 55 Reflex Replacement Heads;

Heads fill the razor types: 34--, 36--, 38--, 44--, 46--, 48--, 66--, 69--, 5413, 5426, 5430, 5625, 5812, 5813, 5817, 5820, 5823, 5824, 6405, 6415, 6423, 6424, 6445, 6831, 6842, 6843, 6844, 6849, 6853, 6854, 6855, 6856, 6857, 6859, 6861, 6863, 6868, 6874, 6879, 6940. Check your shaving head types number on the back of your razor. Universal replacement for HQ3, HQ4, HW55 shaving heads. Upgrades your razor with HQ3 and HQ4 heads to super lift and cut. Lifts hairs up to 50% better than original HQ3 and HQ4 shaving heads.