For over 170 years, ARM & HAMMER™ products have provided a safe and effective way to help keep things smelling fresh and clean. Who knows more about odor control? Today's Better Litter for Better Odor Control - ARM & HAMMER™ Clumping Cat Litters. Arm & Hammer™ The Standard of Purity™ Hard Clumps for Easy Scooping Eliminates Both:Urine OdorsFeces Odors An Odor-Free Home Starts with Arms & Hammer.™ Pet Friendly