GPH410T5L/HO/MBP/C Air Treatment Germicidal UV Light Bulb Item:Ballast 4 Pin on a Single

4 Pin on a Single End - 14 Watt Germicidal Air

How do I know it is actually working

9-52D016-000

It is said that dichoric reflectors must not be fitted to closed luminaries

GPH410T5L/HO/MBP/C Air Treatment Germicidal UV Light Bulb Item:Ballast 4 Pin on a SingleGuaranteed Replacement Ultraviolet (UV) Bulb Medium Bi pin, Double Ends 42 Watts 16. 14 Inch Length Lamp Worry Free Performance for 1 Year Product Overview: Specifications: Compatible With: Wattage: 42 Watts Wavelength range: 254NM Length: 16. 14 inches (410mm) Base: Medium bi pin (2 pin), both ends Base Material: Ceramic Shape: T5 T6 Average Lifespan: Up to 10,000 hours This 42 watt GPH410T5L HO MBP C bulb is 100% compatible with air water