Hayward PRX500960 ProSeries 240W 12V LED Bulb Replacement. Add a new dimension of beauty, enjoyment and safety to any pool or spa. Hayward ProSeries Lights offer a level of quality and versatility that you expect, at a price that gives you the value you deserve. ProSeries Lights feature an attractive European designed face with easy disassembly for simple relamping. Suitable for concrete or vinyl pools.