At GNC, buy either the GNC Blender Bottle
(pictured) or GNC Pro Performance Blender Bottle
for $8.99 and get another for free
. (Add two to your cart to see the discount.) Plus, apply coupon code "ABCART" to drop them to $7.64
. With free shipping
, that's $3.82 per bottle and the lowest total price we've seen. (We listed a single bottle for $5 shipped last week.) Sales tax is added where applicable. These dishwasher-safe plastic bottles comes with a surgical-grade stainless steel blender ball, StayOpen flip top, hand grips, measurement markings, and more.