This Philips brand fish pond UV bulb is a high quality lamp that is available from Discount Leisure Products at discounted prices.
A UV clarifier will clear green algae in fish ponds leaving you with crystal clear water when you have the correct size unit installed as part of your pond filtration. This bulb will fit make makes of UV clarifier including Hozelock Bioforce units, Jebao Pressure filters such as the CF20, Fish mate, Blagdon, Oase, Pisces, Pond Kraft and many others