Fill out the form and submit-The coupon will print to your default printer 9ex. 12-29-12) Will depend on when you request it. (The box does not indicate that the 2 count is a Trial Size) I could be wrong. I have not found this at my Walmart.
Click here to print $1 off any Robitussin Product
The coupon has the new bar code. Some Walmarts carry a 2-pack of Robitussin to Go. Look near the check outs to see if your Walmart carries them. If you can find them, they are priced at $1. Free after the coupon.