This is a popular replacement UV bulb. It fits many pond filters and UV units includingNew Bioforce Revolution 9000, Blagdon Midipond 14000, Fishmate 30000 Pressure Filter and PondXpert 30000.
Unfortunately as we all know Halogen bulbs will eventually blow, but we have all the replacement bulbs you could need for your Pond Lights. This is a Single replacement bulb that will fit all lights of this type.