4-Pack Philips Sonicare C2 Plaque Control ReplacementToothbrush Heads (White) $18.40 + Free Shipping w/ Prime

4-Pack Philips Sonicare C2 Plaque Control Replacement Toothbrush Heads (White) $18.40 + Free Shipping with Prime. Woot! has Philips Sonicare C2 Plaque Control - Genuine Replacement Electric Toothbrush Heads, White, 4 Pack One Year Supply, HX9024/77 on sale for $22.99 - extra 20% off with promo code: SAVE20 = $18.40. Free shipping with Prime, otherwise, $6 flat rate shipping.