They have a litre scale and a black screw cap

diaphragm dosing pump with variable-speed drive (stepper motor) and intelligent control electronics with minimum energy consumption

and easy access and service

DDA 120-7 AR-PVC/T/C-F-32U3U3F The SMART Digital DDA is a compact positive displacement

DDA 12-10 AR-PVC/V/C-F-32I002F The SMART Digital DDA is a compact positive displacement

sp 9 16 98699032 They have a litre scaleSubmersible borehole pump, suitable for pumping clean water. Can be installed vertically or horizontally. All steel components are made in stainless steel, EN 1. 4301 (AISI 304), that ensures high corrosive resistance. This pump carries drinking water approval.