Perfect Aire - 18.75 in. H X 6 in. W Rectangular Carbon Pre-Filter 4 pk

Maintain optimal performance of your Perfect Aire 1PAPUV27 Air Purifier with this 4-pack of Activated Carbon pre-filters. These pre-filters effectively reduce odors from pets, smoking, and cooking, keeping your air fresh and clean. Designed for easy replacement, they extend the life of your air purifier’s main filter. For best results, replace the pre-filter every three months to ensure continuous, efficient air purification.