Meritline offers the Brush Head 8-Pack
with free shipping
. (See "Buy More, Save More" for this deal.) At $1.25/brush, it's the lowest total price we could find for this quantity by $18. (For further comparison, we saw a 4-pack for $4 shipped last week.) They're compatible with several Oral-B electric toothbrushes. Deal ends October 12.
Expect this item to ship in two to three weeks.
: Specs corrected. (These are not Oral-B brand brush heads, but they will work with Oral-B electric toothbrushes.)