Lennox X8796 Maintenance Kit Fits Model: PCO16-28.
(1) MERV 16 Filter (X8789)
(1) Metal Insert (X8792)
(2) UV U-Shaped Lamps (X8794).
Replace every 12 months
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.