It can be used for 4kw uv exposing lamp. 1. We have many kinds of lamp head. 2.They are necessary accessories of the lamps . 3.This lamp head can be used for UV lamps . Our UV lamps' parameter is as follows : Specification(power: kw)Whole Length(mm)1KW230mm,300mm,320mm,330mm2KW300mm,360mm,400mm3KW410mm,460mm,550mm,6205KW550mm,650mm,725mm,775mm,778mm5.6KW826mm,930mm,950mm,1020mm,1050,1150mm8KW1100 ...