Current-USA - Gamma 40W Pond UV Light Bulb for Germicidal Water Treatment Select Product Below:Bulb w/ Shatterproof Coating VOC compliant in all 50

VOC compliant in all 50 states

It is always a good idea to have a spare bulb with any curing system in case of breakage or natural degradation

Length: 16

If you would like to see a calculator that lists out specific microbes by name

The lamp uses UV light at a short wavelength of 253

Current-USA - Gamma 40W Pond UV Light Bulb for Germicidal Water Treatment Select Product Below:Bulb w/ Shatterproof Coating VOC compliant in all 50Guaranteed 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 Current USA Gamma 40W UV Light Bulb is 41 watts and 100% compatible with germicidal OEM Water