LiqiDeals via Amazon offers 16 Oral-B Precision Clean-Compatible Replacement Brush Heads
for 4 cents
for shipping. (Add four 4-packs to your cart to get this price.) At $1.25/brush, it's the lowest total price we could find for Oral-B-compatible toothbrush head refills in this quantity by $4. They're compatible with Braun Oral-B electric toothbrushes and plaque remover models.