The Profoto Glass Cover is a clear heat resistant glass dome that saves the flashtube and modeling light from damage during set up or transport of Profoto PF Flash Heads.The Profoto glass cover for PF flashtube is of 100mm and etched with sandThis Profoto glass cover is made for ProHead, ProTwin, Acute/D4 Head, and Acute/D4 Twin light models.This Profoto glass cover F/PF flashtube has a chromaticity of +300K