UVC Bulbs 7w Uvc Bulb (single-ended, Bogof Deal)

This popular single-ended UVC pond light bulb fits many filters and UVC units, including the following: All-in-One Pumps Hozelock EasyClear 4500 Oase Filtral 3000 Filters PondXpert EasyFilter 4500 PondXpert Filtobox 4500