Dual Laser Toothbrush Replacement HeadsMaintain optimal LED technology with our advanced replacement heads: Dual LED bristles for whitening and bacteria control Compatible with all brushing modes Soft, precision engineered bristles 1 month recommended use per head Each head features integrated red and blue LED technology to maximize whitening and plaque control. Eco friendly packaging, easy replacement design. Works with all Dual Laser models Same day shipping 30 day satisfaction guarantee