- 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 Pumpwith flow control valve and tubing