Arm & Hammer Carpet Refresher for just $0.75 each at Dollar Tree! Dollar Tree Sale Dates: NOW through expiration of IP! The Arm & Hammer branded Carpet Refreshers have been spotted at several Dollar Tree locations. Buy two and use a $0.50/2 IP to get these for just $0.75 each! Here's How To Do This Deal: Buy: Two (2) Arm & Hammer Carpet Deodorizer $1.00 each Total: View Post