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Aqua-Terra Lighting 9W Pond Filter bulb – UVC ultra violet bulbs for Filters & Clarifiers – Germicidal G23 2pin PLS lamp base for replacing UV bulbs in garden pond filters : Amazon.co.uk:
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Fish Mate 10000 Powerclenz Pond Filter (9w UVC): Pressurised Filters: Pond Filters - Buy pond equipment from Pondkeeper: Pond building made easy.
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Amazon.com: CNZ 9W UVC Replacement Bulb G23 Base for Aquarium Pond Filter UV Clarifier, 2-Pack : Pet Supplies
![Fish Mate 10000 Powerclenz Pond Filter (9w UVC): Pressurised Filters: Pond Filters - Buy pond equipment from Pondkeeper: Pond building made easy. Fish Mate 10000 Powerclenz Pond Filter (9w UVC): Pressurised Filters: Pond Filters - Buy pond equipment from Pondkeeper: Pond building made easy.](https://www.pondkeeper.co.uk/prodhuge/1018.jpg)