Bowens Esprit GM500 flash. Excellent condition. Head only, no stand or umbrella.
 
 
500Ws of power (down to 31Ws)
5 f-stops with 1/3 power adjustments
Quick flash duration of 1/925 (at full power)
Recycle time 1.5 sec
User changeable flash tube
Proportional modelling lamp control
Intermittent lamp control to indicate ready to flash when modelling lamp is on
User changeable modelling lamp