Enviracaire 250 Cfm - Air Cleaner # 62500 Recirculates and cleans the air * 360 degree intake and output * 2 year manufacturers warranty * Charcoal prefilter has a life span of 3 - 4 months * HEPA filter has a life span of approximately 5 years * Shipping Carton Size: 18 L x 18 W x 13 H