Viqua SC-2.5 UVC Bulb - CureUV Brand MHL-900 The single pin on both

The single pin on both end base bulb has a T5 bulb shape and an average lifespan of 10

thermostats

The Replacement Quartz Sleeve for Ultra Dynamics - UDS-12 UV Light Bulb for Germicidal Water Treatment is an open ended quartz sleeve that is a guaranteed compatible replacement

Due to oxidation and fogging

Viqua SC-2.5 UVC Bulb - CureUV Brand MHL-900 The single pin on both4 Pin Stepped on a Single End 14 Watt Germicidal Water Treatment Bulb Our CureUV brand Replacement UVC Light Bulb for Viqua SC 2. 5 is a four pin stepped on a single end 14 Watts bulb. The replacement bulb has an arc length of 7. 87 inches and a total length of 11. 3 inches. The UVC light bulb has a lamp voltage of 39V and is set in a non ozone glass. The ceramic bulb has a rated life of 10,000 hours after which we recommend that you replace the bulb