GPH357T5L/4P Germicidal UV Purifier/Sanitizer Light Bulb - Cell Base Item:Ballast and logos are property of

and logos are property of Glasco UV

at least the ones where you have noticed a presence

multi-spectrum processing

UViterno 6015

GPH357T5L/4P Germicidal UV Purifier/Sanitizer Light Bulb - Cell Base Item:Ballast and logos are property ofGuaranteed Replacement Ultraviolet (UV) Bulb 4 Pin 16 Watts 14. 06 Inch Length Lamp Worry Free Performance for 1 Year Wattage: 16W Length: 14. 06 inches (357mm) Pins Base: 4 pins, Cell base Shape: T5 Average Lifespan: Up to 10,000 hours Operates at 253. 7 nm, ideal for UV disinfection. Good for use at any velocities. Temperatures ranging from 30 170 degrees F. High Output (HO). This germicidal UV light bulb is available with a Shatterproof Coating.