Description box : Appliance of measure rate irrigate and media of pH land; ground, manure, livestock food, compost. Specification of : pH 3.5 - 8 Moisture tester : 0 - 100% ( water rate)
Oiless Diaphragm Vacuum Pump High-Capacity Vacuum/ Pressure Pumps Free-air capacities up to 2.2 cfm ( 62.3 L/ min) Shaded-pole fan-cooled motor has thermal overload switch to protect your pump....