Ideal Horizons - 42003 UV Light Bulb for Germicidal Water Treatment Select Product Below:Bulb w/ Shatterproof Coating +$9. 2 inches and a quartz

2 inches and a quartz diameter of 15 mm

Convenient wall mount design

We do not sell Durst Rho brand UV lamps

Housing material: ABS (acrylonitrile-butadiene-styrene)

Ideal Horizons - 42003 UV Light Bulb for Germicidal Water Treatment Select Product Below:Bulb w/ Shatterproof Coating +$9. 2 inches and a quartzGuaranteed Replacement Ultraviolet (UV) Bulb 4 Pin on a Single End 17 Watts 14. 06 Inch Length Lamp Worry Free Performance for 1 Year Specifications: Wattage: 17 Watts Wavelength range: 254NM Length: 14. 06 inches (357mm) Base: 4 pin on a single end Base Material: Ceramic Bulb Shape: T5 Average Lifespan: Up to 10,000 hours Technical Data Sheet: Ideal Horizons 42003 UV Light Bulb is 17 watts and 100% compatible with germicidal OEM Water sterilization