Philips 6W 8W 11W 15W 25W 30W & 55W UV Bulb for Pond Filter UVC Water Clarifier

These include 6w, 8w, 11w, 15w,16w, 25w, 30w and 55w available. You should replace the UV lamp in your UV unit every 6 months to ensure optimum performance and clarity. Although the lamp may still burn, it no longer emits the right UV radiation.

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