Philips Sonicare C3 Replacement Heads for $49.99

Costco has the Philips Sonicare C3 two-in-one replacement electric toothbrush heads for $49.99, with an additional $1.99 shipping. The deal includes a $15 manufacturer’s savings valid from 8/24/26 to 9/20/26, while supplies last. These replacement heads are compatible with all Philips Sonicare snap-on handles and feature the Deepest Cleaning Brush Head with 4x more surface contact and up to 10x more plaque removal than a manual toothbrush. The 8-pack provides a cost-effective option for maintaining optimal oral hygiene over time.