Berson/Aquionics - 2-43-156 UV Light Bulb for Germicidal Water Treatment UVL/1931 The lamp contains a quartz

The lamp contains a quartz plate that is placed between the lamp and the substrate and the plate does not absorb UV rays

Arc Length: 4 inches

Spectral Output of Germicidal UVC Light Bulbs (PDF)

Lamp Wattage: 9 Watts

Berson/Aquionics - 2-43-156 UV Light Bulb for Germicidal Water Treatment UVL/1931 The lamp contains a quartzGuaranteed Replacement Ultraviolet (UV) Bulb 8. 5 Inch Length Lamp Worry Free Performance for 1 Year The Berson Aquionics 2 43 156 UV Light Bulb For Germicidal Water Treatment is a guaranteed UV replacement light bulb that provides you with worry free performance for a whole year. The 8. 5" lamp is compatible with germicidal OEM Water sterilization filters, UV sanitizers and water purifiers. The lamp uses UV light at a short wavelength of 253. 7nm