Fish Pond UVC Lamp/Bulb/Tube/Light/UV For Hozelock Bioforce Filter 5w/9w/11w/13w

High Quality UV Bulb. A UV bulb should be replaced every 6 to 12 months to ensure optimum performance and clarity. UV Lamp Sizes. 5 Watt lamp - Approx 105mm long. 9 Watt lamp - Approx 165mm long. 11 Watt lamp - Approx 230mm long.

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