Lennox Genuine OEM Maintenance Kit X8347 fits model: PCO-12C. Kit includes: (4) PureAir UV-A Lamps (X8149)(10M35), (1)PureAir MERV16 Filter (X6666), (1) H/C PureAir Metal Insert (75X73).
PLEASE NOTE: Do not touch bulbs with bare hands, use gloves to install the bulbs. Oils from your hands can affect the performance of the bulbs.