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20 Watt TUV G20 T10 Generic Germicidal Ultraviolet Light Bulb
20 Watt TUV G20 T10 Generic Germicidal Ultraviolet Light Bulb
G13 Base Image (13 mm pin separation)
Click to enlarge image(s)
Manufacturer: Generic
Product Number: GL-G20T10
SKU Number: 000229

General Description: This Generic TUV 20 watt T10 UV-C germicidal light bulb (G20T10) produces a 254 nanometers (nm) light wave which is ideal for water and air purification.   It is 1.25 inch in diameter and is 23.17 inches long.   This TUV light bulb has an average life of 8000 hour and will offer the most consistent UV-C output over that period.  This germicidal light is used in many of the Sharper Image air purifiers.

20 Watt G20 T10 Generic TUV Germicidal Light Bulb

Product Specifications

Manufacturer Sankyo/Generic
Product Number GL-G20T10
Voltage 58
Watts 20
Base Type G13 (Double Ended)
Bulb Style T10
Length 23.17 Inches
Diameter 1.25 Inches
UV-C Radiation  7.5 watts
Nanometers (nm) 254 (See below image)
Rated Average Life 8,000 Hours
Energy Star Qualified No
Full Product Name TUV 20W T10
Ordering Code
Case Quantity
Technology TUV Germicidal (UV-C)
Alternate Product Number GL-G20T10
Specification Sheet

Features & Benefits

• Emits short-wave UV radiation of 254 nanometers (nm) in the UV-C germicidal band width
• The glass in the light bulb filters out 185 nm ozone forming light
• This light bulb requires a ballast to operate

• Consistent output of UV-C wavelength of light lifetime
• Warning label on light indicates UV-C radiation output
• This TUV light is used in many of the Sharper Image air purifiers


  • Killing or inactivating bacteria, viruses and other primitive organisms
  • Air, water and surface disinfection in hospitals, bacteriological research and pharmaceutical environments, and food processing industries such as dairies, breweries and bakeries
  • Disinfection of drinking water, waste water, swimming pools, air conditioning systems, cold storage rooms, packing materials etc.
  • Used in a variety of photochemical processes
  • Radiation of these lamps is harmful to eyes and skin. Installations with these lamps are to be screened off completely.

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