Couple of things with this.
Firstly, an absolute bargain.
Secondly, has anyone else done this with their 3U Trace UV heads I.e. put it in a rack case and left the tube in place?
https://rover.ebay.com/rover/0/0/0?mpre=https%3A%2F%2Fwww.ebay.co.uk%2Fulk%2Fitm%2F183229915046