Ultra Dynamics - 4 Pin Step HO Ozone Producing UV Light Bulb for Germicidal Water Treatment HA278CSD The O-So Pure DWS-UV9BB Replacement

The O-So Pure DWS-UV9BB Replacement UVC Light Bulb is 100 % compatible to O-So Pure Pathogen Predator

Steril-Aire 21000303 UV Light Bulb is 52 watts and 100% compatible with germicidal OEM air & surface disinfection filters

but not with this light

NeoTitan 1606 WS

Ultra Dynamics - 4 Pin Step HO Ozone Producing UV Light Bulb for Germicidal Water Treatment HA278CSD The O-So Pure DWS-UV9BB ReplacementGuaranteed Replacement Ultraviolet (UV) Bulb 4 Pin Stepped 2 on each level Single End 75 Watts 61. 88 Inch Length Lamp Worry Free Performance for 1 Year The Ultra Dynamics 9410 UD UV Light Bulb For Germicidal Water Treatment is a guaranteed replacement UVC bulb that has an average lifespan of 10,000 hours. The light bulb has a base of four pin stepped, two on each level single end and the fixture has a long lifespan and low on mercury dosage. The