Keystone 13578 - KTL-G4T5-254-DE Germicidal Fluorescent Light Bulb
$9.89
Keystone 4.5 watt - 5.3" - 28 volt - T5 - Miniature Bi-Pin (G5) Base - Germicidal - PureFit Series | Keystone Germicidal Light Bulb (KTL-G4T5-254-DE 13578)