Replacement UV bulb for the Kathy Ireland KI-2000 air purifier. Helps sanitize the air before it is re-circulated. Replace as needed or whenever air purifier indicator flashes. 12" long. 3/4" in diameter. KI-2000 UV lamp replacement. Helps sanitize the air before it is re-circulated. Replace as needed. 12" long. 3/4" in diameter.