Quartz Sleeve for WEDECO/Ideal Horizons - SH-4 UV Light Bulb for Germicidal Water Treatment Bulb Number_A34352N This replacement germicidal bulb has

This replacement germicidal bulb has a 4-pin base that is used for air purification

Accuracy: Typically better than 6%

This replacement germicidal bulb has a 2 pin U bend base on a single end that is used for water purification

Guaranteed 100% Compatible Replacement Ultraviolet (UV) Lamp - Iron Doped - 6 Inch Arc Length - 8

TW16872N1800

Quartz Sleeve for WEDECO/Ideal Horizons - SH-4 UV Light Bulb for Germicidal Water Treatment Bulb Number_A34352N This replacement germicidal bulb hasReplacement Quartz Sleeve for WEDECO Ideal Horizons SH 4 UV Light Bulb for Germicidal Water Treatment In order for your germicidal water system to work effectively, it is imperative that the quartz sleeve is completely clear. A foggy or dirty quartz sleeve can significantly attenuate the power of your UVC bulb, resulting in substantially less sterilizing power. A good way to think about it is that if you have trouble seeing through the sleeve then it