For Philips Sonicare C1 ProResults Standard sonic Set of 4 Brush Heads White | Lazada Singapore
Philips Sonicare C1 ProResults Sonic Electric Toothbrush Heads for Clean Teeth and Healthy Gums, 8 Pack (Model HX6018/07) : Amazon.co.uk: Health & Personal Care
Philips Aufsteckbürsten ProResults C1, 4 St | SOLAV.EU