Amazon.com : Philips Sonicare Genuine Sensitive Replacement Toothbrush Heads for Sensitive Teeth, 3 Brush Heads, White, HX6053/64 : Oral Care Brush Heads : Health & Household
Amazon.com : Apical Life Replacement Toothbrush Heads Compatible with Philips Sonicare, Soft Electric Replacement Brush Head Compatible with Snap-on Phillips Sonicare Toothbrush Head,10 Pack : Health & Household
Philips Sonicare HX6053 Sensitive Standard Brush Head (3 Pk) for HX6731/34 Model - Walmart.com
Amazon.com : Philips Sonicare Genuine Sensitive Replacement Toothbrush Heads for Sensitive Teeth, 3 Brush Heads, White, HX6053/64 : Oral Care Brush Heads : Health & Household