Sonicare Brush Heads – Costco Sale! by Rhonda July 26, 2022 July 26, 2022 *UPDATE* 7/26/22. The Sonicare Brush Heads from Costco now come in an 8-pack instead of a 6-pack. These brush heads work with the Philips Sonicare click-on rechargeable toothbrush handles. They… 0 FacebookTwitterPinterestEmail