Ultra Dynamics - DW15 UV Light Bulb for Germicidal Water Treatment Select Product Below:Replacement Electrical Ballast Guaranteed 100% Compatible Replacement Ultraviolet

Guaranteed 100% Compatible Replacement Ultraviolet (UV) Lamp - Mercury Wavelength - 67 Inch Arc Length - 72 Inch Total Length (end to end)

100% Guaranteed Replacement UV Bulb - 2 Pin G23 Base - 9 Watts - Worry Free Performance for 1 Year

It consists of a quartz plate that prevents debris and contaminants from reaching the lamp

Experts also state that it is necessary to replace the UV light bulb annually though it may continue to emit light for better efficiency

Ultra Dynamics - DW15 UV Light Bulb for Germicidal Water Treatment Select Product Below:Replacement Electrical Ballast Guaranteed 100% Compatible Replacement UltravioletGuaranteed Replacement Ultraviolet (UV) Bulb 4 Pin on a Single End 41 Watts 33. 2 Inch Length Lamp Worry Free Performance for 1 Year Our Ultra Dynamics DW15 UV Light Bulb For Germicidal Water Treatment is a 41 Watts germicidal UV bulb that has a four pin on a single end base. Made using ceramic, the T5 shaped light bulb has an average lifespan of 10,000 hours. With a length of 33. 2 inches, the germicidal water treatment bulb is completely compatible