652134 - Husky 3300 Double Diaphragm Pump 3", 300 gpmThe Husky 3300 air operated diaphragm pump features a stall free low pulsation air valve for smooth changeover and a one piece center section to prevent leaks and reduce maintenance. It boasts overall improved efficiency (up to 40% more efficient) and the highest fluid flow rate in its class. With up to 5 times longer diaphragm life compared to other pumps, it offers expanded material options for various applications and is available in ATEX