The Coupon Expires 12/20/17, The Expiration date may depend on when you print it. The print limit is two.
The Dollar Genreal sells 20oz Aquafina Bottled water for $1. Just $.50 each after the $1 off two coupon above.
Kroger 20oz Dasani Water for $1.79. $2.58 for two after the coupon above or $1.29 each.