Right up there with sleeping and eating, BREATHING is one of Peachy's favorite hobbies...The start of a new year is a great time to remember to change your air filters. According to Dr. James Langer, “By regularly replacing or cleaning your filters, you invest in a strategy that promotes energy efficiency, maintains your HVAC system's performance, and safeguards your health.” Enter award-winning Colorfil, the air filter specifically made for pet homes/odors that change from hot pink to yellow to let you know they need changing. Special chemical reactions are involved leading to the most forward thinking, NASA-approved smell and color technologies. Also available on Amazon. Check them out at https://www.colorfil.com/