With the Power of Baking Soda. Vacuum free foam. Pet hair release. Arm & Hammer Pet Fresh plus pet hair release carpet & room odor eliminator vacuum free foam works in two ways: 1. The pet hair release breaks the static charge that bonds pet hair to carpets and upholstery. Once the bond is broken, the pet hair is easily removed the next time you vacuum. 2. The baking soda formula safely absorbs and eliminates even the toughest pet odors, leaving your carpet and room smelling fresh and clean. While others cover up odors, we eliminate them at the source.