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PLL UV-C Germicidal Bulb 2G11 Base all Wattages


  • PLL Type H Quartz Glass 2G11 Base
  • 253 NM Range
  • Length does not include Pins (Standard Industry Specification)
  • For Best Results Replace Bulb Every 8000 Hours or 6 Months (Average Life Span)
  • Quartz Glass Construction
  • Free ShippingWhen you spend over $49
  • TrackingKnow when your package will arrive
  • 30 Day ReturnsMoney back guarantee
  • Same Day DispatchWhen you order before 2pm
About Pondh2o basket shop


Greenwater algae problems can be eradicated using a UV light clarifier and PLL UV-C Germicidal Bulb 2G11 Base lamps. Always ensure the quartz glass is kept free of algae, to help stop the light becoming ineffective.

UV lamps contain a very small amount of mercury which with the gas inside the lamp emit the bacteria killing light. Never look directly at a UV lamp when it is on as will damage your eyes.

The effective life of a replacement UV lamp is approx 8000 hours.  After this point it will seem to be working but in fact the effectiveness of the lamp will be decreasing and needs to be changed. Changing a bulb twice annually will usually be good enough to maintain the filter light unit. All bulbs are designed to be suitable as the original lamp bought with the pond UV Filter.

Spent PLL UV-C Germicidal Bulb 2G11 Base bulbs should be disposed as with accordance with state and national laws.  Do not place directly into the domestic trash system due to the mercury element within the UV lamp. 

  • 18 Watt – 8.6 Inch (220mm)
  • 24 Watt – 12.4 Inch (316mm) 
  • 36 Watt – 16.5 Inch (419mm) 
  • 55 Watt – 21.6 Inch (523mm) 

Please feel free to contact us for help in understanding which light bulb you require.

Visit PondH2o’s information center  for our Pond Blog on helpful summer tips!  Remember to check our Facebook page often for latest coupons and news.

Additional information

Weight 2.2 lbs
Dimensions 20 × 20 × 25 in

18 Watt, 24 Watt, 36 Watt, 55 Watt



PondH2o search the globe for Koi Fish Pond & Water Garden products looking for original items to bring to the pond and water garden consumer in North America. Everything from Pond Pumps, floating plant baskets, mesh plastic baskets, Flexible Pond Liners to pond filters, decoys, solar powered Fountains  and pond decor. Check PondH2o's extensive inventory to see for yourself...
About Pondh2o basket shop
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