Viqua S36RL UV Quartz Sleeve Double Helix 36W this light bulb has an this light bulb has an average lifespan of 10 Curing Area Printing Width Printing Speed Optical Intensity 150 x 25mm 150mm 150m min 200m min 25W cm2 30W cm2 260 x 25mm 260mm 150m min 200m min 25W cm2 30W cm2 330 x 25mm 330mm 150m min 200m min 25W cm2 30W cm2 350 x 25mm 340mm 150m min 200m min 25W cm2 30W cm2 420 x 25mm 420mm 150m min 200m min 25W cm2 30W cm2 450 x 25mm 450mm 150m min 200m min 25W cm2 30W cm2 520 x 25mm 520mm 150m min 200m min 25W cm2 30W cm2 650 x 25mm 650mm 150m min 200m min 25W cm2 30W cm2 800 x 25mm 800mm 150m min 200m min 25W cm2 30W cm2 1050 x 25mm 1050mm 150m min 200m min 25W cm2 30W cm2 150 x 30mm 150mm 100m min 15W cm2 260 x 30mm 260mm 100m min 15W cm2 330 x 30mm 330mm 100m min 15W cm2 350 x 30mm 340mm 100m min 15W cm2 420 x 30mm 420mm 100m min 15W cm2 450 x 30mm 450mm 100m min 15W cm2 520 x 30mm 520mm 100m min 15W cm2 In order for your S36RL germicidal water system to work effectively A foggy or dirty quartz sleeve can significantly attenuate the power of your UVC bulb