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https://www.swelluk.com:443/swell-filter-box-premium-18w-pls-uv-bulb/
Swell Filter Box Premium 18w PLS UV Bulb
A perfect single ended, twin bulb replacement for your UVC, this Swell 18 Watt PLS UV Bulb comes at a fraction of the price of branded bulbs but does the same job, with great performance. Replace as always, every 6 months to ensure your UVC is functioning perfectly.
Product Information
Easily keeps algae and pathogens at bay with a high quality Swell 18 watt PLS UV replacement Bulbs/Tubes.
The UV light clears and cleans the water of cloudiness, green water issues and as such makes sure it is healthy for fish and plants. Swell bulbs use only the highest materials in their replacement bulbs, and by using high-quality UVC lamps guarantees a long service life.
FEATURES:
- Single ended, twin tube with two pins at one end.
- High UV output allows for greater algae control.
- Replacement bulb for the Swell Box Filter 25000