Keep your fridge fresher longer with Frigidaire® PureAir® Air Filter, which uses carbon technology to absorb undesirable smells and clear the air. With better performance than Baking Soda, this filter is more powerful and effective at capturing and keeping odors away. It can maintain freshness for up to 6 months, which saves you time on monthly replacements and keeps the food in your fridge fresher longer. Frigidaire® PureAir® Air Filter- the smarter, fresh choice. **ITEM USED TO BE REFERRED TO AS AF-1**