The U.V. Cabinet is made of miold steel sheet duty powder coated.It is fitted within 3 Nos of tubes short wave(254nm) + long wave (365nm) + Fluorescent light. The cabinet with separate on off switches for each tube light. The samples can be placed in the cabinet from door and viewed from the viewing window at the top of the cabinet. DIV - 40 : Same as above but with short wave filter.