32 Count Arm & Hammer Power Paks for $.95 at the Dollar General through 10/28! (Digital Coupon) Posted by Harbor Master on 22 October 2017, 4:41 pm Tweet Expired Through 10/28, The Dollar General has 32 Count Arm & Hammer Power Paks on sale for $3.95. There is a big fat $3 coupon you can clip and use at Check out for $3 off. Only $.95 after the $3 off coupon. Click here to clip coupon for $3 off ARM & HAMMER Plus OxiClean 2-IN-1 Power Paks – (Only Available on 10ct or Larger) (limit one) (Expires 10/28/17) Sign up and select the coupon. Then enter the same phone number at checkout that used to register. The coupon will come automatically be deducted.