Sunlight Systems (UK) Metal Halide Grow Lamp system

Comprises large pendant aluminium shade (40cm diameter); Philips Powertone HPI-Plus 400W bulb; ballast; transformer for plug-in timer; heavy-duty cabling; spare (unused in its original packaging) Philips Powertone HPI-Plus 400W bulb; spike and power surge protector.
Needs to be used in conjunction with a separate air-circulating fan (i.e. any domestic fan).
Condition: very good.
A powerful unit, gives excellent results (was used professionally by the owner, both in the UK and SA). The owner ex-RHS (UK) listed (1997 - 2018).
No time-wasters!!