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The QuantaDose UVC intensity test card relies on calibrated word legibility starting at 300 µW/cm² when the word ” ULTRAVIOLET” first becomes legible during exposure to optimal UVC germicidal wavelengths
and drinking water
this will make the light cover a 360°area
[10 Pack] 10 Packs of 3
M size: the plastic screw covers are about 17 mm/ 0
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