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(2 customer reviews)

£21.95 ex VAT

  • GPH843T5L/4.
  • This 40 watt ultraviolet lamp is used in air and water disinfection systems.
  • They emit high intensity uv-c light which destroys 99.9% of germs and bacteria.
  • Availability – In Stock.
Quantity discounts
1-5 £21.95
6-10 £21.40
11+ £20.85


GPH843T5L/4 ultraviolet lamp.

  • Output – 40 watts.
  • Length – 843 mm.
  • Base – 4 pins.
  • Wavelength – 254 nm.
  • Life – 9000 hours.

This lamp is also known as a :

  • GPH843T5L/4 HA
  • GPH843T5L/4 LT
  • GPH843T5L/LS/40W

We can also supply a two different uv lamp ballasts for this lamp. The first “UV Lamp Ballast” is a more simplified version. The “EPS51-425-40L” ballast is a more advanced version with a lamp life countdown display. Please see links below :

UV Lamp Ballast  or


We can also supply an equivalent lamp made by Philips Lighting :

TUV 36 T5 4P-SE 40W


2 reviews for GPH843T5L/4

  1. dave (verified owner)

    Good quality UV lamps at a fair price. Add to that the speedy delivery. You wouldn’t want to look elsewhere!

  2. ozonetech (verified owner)

    Happy with the lamps. Good quality, good price, well packaged and fast delivery. Excellent service!

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