Amazon.com: LSE Lighting 11W UV Bulb for Laguna PT-1500 PT-1502 Pressure-Flo UVC Filter : Pet Supplies
Laguna 13 watt UVC Bulb for Pressure-Flo 1000/2000 & PowerClear Multi 1000/1500 - Best Prices on Everything for Ponds and Water Gardens - Webb's Water Gardens