Petco is offering a free Pro Plan Dog Food can with coupon. Print your coupon for your Free Pro Plan Dog Food can valued at $1.59. There is another nice for $5.00 off any One (1) Pro Plan Dry Dog Food Bag. The 6 lbs. of Pro Plan are currently on sale for $15.29 (reg. $17.99) making them $10.29 after coupon. Coupon valid through 2/28.