Crane Air Purifier True HEPA Replacement Filter for EE 5067 Brand_Spark & Wow Specially compounded to provide resistance Specially compounded to provide resistance to odor permeation and (FDA) potable water fill These are grounded 3 prong timers for electrical outlets and come with 6 outlets allowing you to program a wide array of equipment and devices A washable particle foam filter helps capture larger airborne particles and helps to extend the life of the HEPA filter and the photocatalyst filter works in conjunction with the air purifier’s internal UV light to create advanced oxidation that eliminates airborne odors and neutralizes odors and harmful fumes