Hozelock Bioforce Quartz sleeve Replacement UV UVC Glass Tube Fish Pond Filter

These are for the Hozelock Bioforce fish pond/UV/filter. Bioforce 3000, 5500, 6000, 11000 Quartz - part number 1523. Bioforce 8000, 12000, 16000, 24000 Quartz - part number 1524. Bioforce 9000, 18000 Quartz - part number 1528.

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