GHL Doser 2.2 SA, 3 pumps GHL Doser 2 standalone with 4 pumps The GHL Doser 2 standalone has a integrated controller. The connection with PC, tablet or smartphone is possible via Wi-Fi or USB. The 24V stepper motors allow precise dosing of small amounts of water. Delivery: Dosing pump unit (black or white) with 4 pumps Universal...