Delamu Official via Amazon offers the Delamu Sonicare Replacement Toothbrush Heads 8-Pack in Black for $14.99. Coupon code "4O86UICN" cuts that to $8.99. With free shipping for Prime members, that's tied with our mention from four weeks ago, $6 off, and the lowest price we could find. They feature UV-sterilized Dupont bristles and fit Phillips Sonicare snap-on electric toothbrushes.