Item name AND Location. Brand new GHL Doser 2 Doser Slave - Fourways Shipping or Collection or Both? Can collect Price R6500 Full description. Hi Guys I have a brand new GHL Doser 2 Slave unit for sale. Plan was to go Profilux but I changed my mind. This unit has never been used. To time wasters / collect only/ Fourways area Photos of actual Items for sale.