Amazon.com: Philips Sonicare Toothbrush e Series Heads Fits: Essence, Xtreme, Elite and Advance - 6 Pack : Health & Household
Amazon.com : Jiuzhoudeal Replacement Toothbrush Heads for Philips Sonicare E-Series, Compatible with Sonicare Essence, Elite, Advance, CleanCare Screw-on Electric Toothbrush HX7022/66, 6 Pack : Health & Household
Amazon.com : Aoremon Replacement Toothbrush Heads for Philips Sonicare E-Series Essence HX7022/66 and other Screw-on Electric Toothbrush Model, 6 Pack : Health & Household