Costco Sale: Oral-B Replacement Brush Heads 8-Pack by Rhonda July 25, 2024 For Costco’s newer version, check out-> Oral B Brush Heads Refill – Costco Sale! *SALE UPDATE* 9/20/18. The Oral-B Replacement Brush Heads from Costco come in an 8-pack that should … 0 FacebookTwitterPinterestEmail