Larson Electronics FRL-4P-S8-30.5-1X-T5HO-75W-UVC - 75W - 4-Pin Base - 30.5"
Philips 392001 TUV 64T5 HO 4P SE UVC Germicidal Bulb – BulbAmerica
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Technical Precision 75W UV Germicidal Lamp T6 Replacement for Germicidal G64T5L/SL Air and Water Treatment UVC lamp - Double-Ended Single Pole Fa8 Base Ultraviolet Lamp - Clear Glass - 2 Pack - - Amazon.com