LSE Lighting 18W UV Bulb for Honeywell RUVBULB1 /C UV Air Filter - - Amazon.com
UC100E1006 UV Replacement Bulb w/ Handle (Blue) - Air Quality Honeywell Store, A Division of Thomas R. Owens, LLC
Factory Direct OEM ODM UC18W1004 Honeywell Equivalent Replacement UV Lamp - China Armstrong Air Aruvr-1 R45828-020, Honeywell International Inc. 100476735 | Made-in-China.com