The Dual Zone Air Purifier UV Replacement Lamp for UA2000DV - UAP-LMPHGXJ65 delivers superior air quality to your space. The replacement lamp attacks micro-organisms in the air you breathe by deactivating and destroying the contaminants. Self-cleaning UVC and UVV lamps oxidize and neutralize odors, germs, and chemicals, turning them into non-toxic byproducts. The lamp is built to last up to five years.