CureUV Brand UVC Bulb for Ultraviolet Devices 07-4000 H12TB2F1 18 inches and it has

18 inches and it has a peak output of 253

The Trojan UV 602804 Compatible Generic Replacement UVC Light Bulb is a 100% Guaranteed Replacement UV Bulb that features 4 pins with barriers on a single end

Metal Halide Lamp

The Aqua Ultraviolet A20015 Replacement UVC Light Bulb is a four-pin on single end light bulb with a total length of 11

The Wedeco/Ideal Horizons - SVE-60 UV Light Bulb For Germicidal Water Treatment is a four pin on a single end lamp bulb that has a lamp length of 31

CureUV Brand UVC Bulb for Ultraviolet Devices 07-4000 H12TB2F1 18 inches and it hasGuaranteed Replacement Ultraviolet (UV) Bulb Medium Bi pin (2 Pin), Double Ends G13 Base 25 Watts 17. 22 Inch Length Lamp Worry Free Performance for 1 Year Introducing the meticulously engineered CureUV brand Replacement UVC Light Bulb, skillfully designed to seamlessly fit the Ultraviolet Devices 07 4000 model. With an impressive power rating of 25 watts, this bulb is fully compatible with germicidal OEM water, air, and surface disinfection filters,