The Arm And Hammer Health IQ Cat Litter Additive is a color-changing product designed to enhance the health and wellbeing of cats. Made by the trusted brand Arm Hammer, this litter additive helps to promote a healthier environment for cats by altering the color of the litter to indicate any potential health issues. With a convenient pricing of 2 units for $20, pet owners can easily incorporate this innovative product into their cat litter routine for a healthier and more informed approach to pet care. 2/$20