Dichroic Reflector Set for Ushio MHL-1000 Metal Halide UV Lamp TUV PLL 18W Experts also state that it

Experts also state that it is necessary to replace the UV light bulb annually though it may continue to emit light for better efficiency

orgGPH436T5L | 2 pin (bi-pin) Germicidal UV Sanitizer Bulb

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allow for UV system to operate at a cooler temperature

Dichroic Reflector Set for Ushio MHL-1000 Metal Halide UV Lamp TUV PLL 18W Experts also state that itDichroic Reflector Set for Ushio MHL 1000 Metal Halide UV Lamp Dichroic reflectors are a very important aspect of the curing process. If your machine has these purple, shiny coated reflectors, then the reflectors have two major functions. The first function is like that of any other reflector, simply to reflect the light onto the surface that needs curing. The second function is more interesting. Whereas a regular silver reflector simply reflects