UV-C Bulb for 20W UV for Laguna Pressure Flo Model 2100 PT 1521 15561215213 | eBay
Laguna 13W UVC Bulb for Pressure-Flo 1000/2000 & PowerClear Multi 1000/1500 (MPN PT1701) - Best Prices on Everything for Ponds and Water Gardens - Webb's Water Gardens
Laguna 24W UVC Bulb for Pressure-Flo 3000 (MPN PT1603) - Best Prices on Everything for Ponds and Water Gardens - Webb's Water Gardens
LED UV Lamp Dual Head, 20W UV Light with Clip, Glow in The Dark, 395nm-405nm Black Light for Party, Stage, Paint, Collection, Aquarium, Cure 3D Printer Resin - - Amazon.com