Zefon high volume diaphragm area sampling pumps are economical workhorses. Each pump comes with a locking flow control valve, hose barb, 10' tubing and on/off switch. Zefon Diaphragm Pumps are available in the following configurations:
- ZTHV01 Ultra High Volume 23 Stroke Diaphragm Pump with flow control valve and tubing
- ZTHV01-220V Ultra High Volume 23 Stroke Diaphragm Pump with flow control valve and tubing, configured for 220VAC power
- Zefon Diaphragm 2 Pump Kit: Each kit comes complete with 2 pumps with flow control valves, 2 sampling stands, tubing and a heavy duty carrying case.