Calling all dog owners! Hurry over to Coupons.com to print a hot new Buy 1 Get 1 FREE Purina Beneful Dog Food Coupon (up to a $6.55 value). It's valid on the 3.5lb bags or smaller. Also, you can print a new Buy 1 Get 1 FREE Purina Beneful Wet Dog Food Coupon ($2.49 value).