Ultra Dynamics - GSL692T5L UV Light Bulb for Germicidal Water Treatment Select Product Below:Quartz Sleeve Cal Pump - BF2000 UV

Cal Pump - BF2000 UV Light Bulb is 18 watts and 100% compatible with germicidal OEM Water sterilization filters

- Switchable UV-B spectral output with simple lamp change (not included)

Output uW/cm^2 @ 1m: 77

The Philips - TUV PL-L 36W Air/Water Treatment Germicidal UV Light Bulb is a guaranteed replacement UV light bulb that helps in inactivating bacteria

Ultra Dynamics - GSL692T5L UV Light Bulb for Germicidal Water Treatment Select Product Below:Quartz Sleeve Cal Pump - BF2000 UVGuaranteed Replacement Ultraviolet (UV) Bulb Single Pin both ends 32 Watts 27. 2 Inch Length Lamp Worry Free Performance for 1 Year The Ultra Dynamics GSL692T5L UV Light Bulb For Germicidal Water Treatment is a 32 watts, 27. 2 inches lamp that gives you a worry free performance for an entire year. The lamp has single pin on both ends for better water purification. The lamp is used to inactivate pathogens in water and makes water safe for consumption.