20x30x1 Air Filter by Colorfil | Color Changing Filters for Cat and Dog Odor | MERV 8 Furnace AC Filter for Pet Hair and Dust | 19.75\"x29.75\"x0.75\" Exact Size | Pack of 2

In addition to catching pollen dust pet dander pet hair and fur with MERV 8 efficiency Colorfil furnace + air conditioning filters remove and neutralize odors and chemicals from the gas phase binding them without releasing any harmful byproducts. Colorfil was originally built for NASA and designed to meet rigorous performance and safety requirements to help protect astronauts and spacecraft. Now available for everyday use our filters are recommended for homes to help create clean fresh and welcoming living spaces for pets and their humans. Our filters are not scented so you get advanced odor control without activated carbon charcoal or baking soda and without covering up smells like a whole home air freshener or spray. Colorfil is the only filter that shows you when it’s working changing color from pink to yellow as it captures and neutralizes odors in your air! When selecting an air filter for your a/c heater or HVAC system make sure to compare the nominal and actual s