Interfits ex300 flash head is a step up from the entry level ex150 mkii heads offering all the same features with twice the power and several improvements the head is fan cooled and a larger body is utilised for increased reliability the controls are simple to use and the head also features an infra red slave cell allows freedom in the studio when used with the interfit irx transmitter the flash tube is user changeable the kit includes two heads two stands a 90cm translucent umbrella a