Philips Sonicare electric toothbrush replacement heads PHX-1K
- Eight-pack lasts nearly two years based on a 3-month replacement cycle
- Powerful, teeth-cleaning bristles
- Toothbrush heads should be regularly changed to prevent plaque and to keep the bristles strong to massage the gums
- Compatible with Diamond Clean, FlexCare, FlexCare+, Healthy White, and Easy Clean models
- Not compatible with E-Series brushes