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Twin Value Pack 11 Watt T5 4 Pin UVC Germicidal Lamp


  • T5 4 Pin 15mm Diameter
  • 253nm Wavelength
  • Length does not include pins
    • (Standard Industry Specification)
  • 11 watt – 8.75” (222mm) (Slit in Base)
  • Quartz Glass Construction
  • Use in Pond Filters
  • For Best Results Change Every 6 Months or 8000 hours

21 in stock

  • Free ShippingWhen you spend over $49
  • TrackingKnow when your package will arrive
  • 30 Day ReturnsMoney back guarantee
  • Same Day DispatchWhen you order before 2pm

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About Pondh2o basket shop


PondH2o UV bulbs are designed for UV-C Filter & Clarifier systems for both Ponds and Aquariums. Value Two Pack 11 Watt T5 4 Pin UVC so keeps your filter effective for a full 12 months. Greenwater or single cell algae problems in Water Garden Ponds can be eradicated using a UV light clarifier.

UV-C light germicidal Ultraviolet lamp or Ultraviolet UV Germicidal Bulbs help control the growth of algae. The increased water clarity improves fish viewing and it also improves the health of the fish. For Best Results Change 11 Watt T5 4 Pin UVC every 6 months or 8000 hours.

UVC lamps in water garden ponds utilize ultraviolet light to destroy or control algae, bacteria, and parasites. This helps maintain water clarity, reduce disease, and promote a healthier pond environment. We stock all types made with quartz glass material  for effective transmission of the light wave.

Spent UV bulbs should be disposed as with accordance with state and national laws.  Never placed directly into the domestic trash system due to the mercury element within the UV lamp.

Be sure to check out our Information Center for our Pond Blog on possible green water and algae issues!   Our most recent pond blog is regarding UV sterilizers, read moreAs always, remember to check our Facebook page for coupons and news.


Additional information

Weight 2 lbs



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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