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https://www.swelluk.com:443/swell-24-watt-pll-uv-bulb/ 
Swell 24 Watt PLL UV Bulb
These powerful Swell 24 Watt PLL UV Bulbs are single ended, twin UV tubes for use in garden UVC units. They can be used in things like Oase and Blagdon UVCs and come at a fantastically low price.
Product Information
Swell 24w PLL UV replacement Bulbs / Tubes are compatible with a wide range of pond equipment including clarifiers and work to rid the water of nuisance algae cells.
By using the UV light to treat algae and pathogens in the water, cloudy or green water problems can be resolved. Algae cells are more easily removed by a pond filter and as such the water becomes cleaner and clearer.
We are proud that our own branded products are made from the best quality materials to offer you the very best for your pond. When you buy one bulb you get one free too, so you not only get top quality but great value for money!
Key Features:
- Swell PLL Bulbs are a single ended, twin tube with four pins at one end.
- High UV output allows for greater algae control.
- Can be used on: Oase Bitron, Blagdon UV's, Aqua Medic UV's and any other UV device that requires PLL.
- Buy one get one free!
Latest Customer Reviews
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Rating Date 28/01/2020 07:01am Swell 24w PLL UVC Bulb, 1 plus 1 free
Great service -
Rating Date 05/12/2019 12:12pm Swell 24w PLL UVC Bulb, 1 plus 1 free
The price allows me to change bulb twice per year without coughing andusing the uv light all year. -
Rating Date 17/06/2019 10:06am Swell 24w PLL UVC Bulb, 1 plus 1 free
Easy to fit............... -
Rating Date 14/04/2019 05:04am Swell 24w PLL UVC Bulb, 1 plus 1 free
Used before great price and quality -
Rating Date 21/02/2019 07:02am Swell 24w PLL UVC Bulb, 1 plus 1 free
Fare price for this product. Two for price of one. -
Rating Date 26/10/2018 07:10am Swell 24w PLL UVC Bulb, 1 plus 1 free
Arrived promptly and is tailored to the other products I purchased. -
Rating Date 12/08/2018 11:08am Swell 24w PLL UVC Bulb, 1 plus 1 free
Do the job as well as more expensive products. -
Rating Date 23/06/2018 13:06pm Swell 24w PLL UVC Bulb, 1 plus 1 free
Only one worked when I tried them -
Rating Date 05/08/2017 10:08am Swell 24w PLL UVC Bulb, 1 plus 1 free
as previous comment for 8 watt -
Rating Date 17/07/2017 19:07pm Swell 24w PLL UVC Bulb, 1 plus 1 free
Pleased with item, competitively priced and 2 for one so double bargain!