Sentry Ultraviolet - 40W Pond UV Light Bulb for Germicidal Water Treatment S6855A22CHD It provides 12 months worry-free

It provides 12 months worry-free operation and must be replaced annually for better performance of the system

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The Port Star Pw1 UV Light Bulb For Germicidal Water Treatment is a guaranteed replacement UV light bulb that is compatible with water filters

Guaranteed Replacement Ultraviolet (UV) Bulb - 4 Pin on a Single End - 75 Watts - 61

Sentry Ultraviolet - 40W Pond UV Light Bulb for Germicidal Water Treatment S6855A22CHD It provides 12 months worry-freeGuaranteed Replacement Ultraviolet (UV) Bulb 4 Pin on a Single End 41 Watts 33. 2 Inch Length Lamp Worry Free Performance for 1 Year Product Overview: Specifications: Compatible With: Wattage: 41 Watts Wavelength range: 254NM Length: 33. 2 inches (843. 3mm) Base: 4 pin on a single end Base Material: Ceramic Bulb Shape: T5 Average Lifespan: Up to 10,000 hours Sentry Ultraviolet 40W UV Light Bulb is 41 watts and 100% compatible with germicidal OEM Water