36W 36 Watt UVC Bulb Lamp For Tetra Pond GreenFree UV3 UV Clarifier

Glass/Quartz Bulb length (not including plastic end) for 36 watt= 15 -1/8" (38.5cm);. 36 Watts UV-C Light Bulb (2G11/PLL 36). UV Output @ optimum 254nm= 120 µW/cm2. Bulb Length WITH plastic insert, NOT including pins; 16 1/8" (41 cm).

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