Oral-B has Oral-B iO Ultimate Clean Replacement Brush Heads, 6-Count on sale for 20% off with promo code CHEER at checkout. ($6.67 per brush head)
Regular price: $49.99
Promo Code: -$10.00 (20% off all replacement heads, limit one coupon per order)
Shipping: FREE
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Sale Price: $39.99
(Sales tax will vary.)
"Orders will only be shipped to addresses within the contiguous 48 states of the United States of America or the District of Columbia."