Thumb Score: +15

Amazon [amazon.com] has 19-Oz Frost King ACF19 Air Conditioner Coil Foaming Cleaner for $6.37.
Shipping is free with Prime or on $35+ orders.

* Deal history:[list][*]Frontpage Deal at $6.35 with 70 Deal Score and 28 comments[*]Frontpage Deal at $6.35 with 79 Deal Score and 6 comments