Quartz Glass Sleeve/tube, Suitable for Bioforce 9000. The quartz sleeve/tube protects the UVC lamp and the electric from the pond water and enables the uv light to clear the water. From time to time the quartz sleeve can get covered in slime and limescale which is difficult to remove. A new glass sleeve will ensure that the uvc lamp can work to its full potentional.
-Approx 210mm(8") overall length including twist and lock fitment.
-Fits Bioforce filters 9000