5 GPM while the 21500 is a 13:1 ratio pump with a flow rate of 4 GPM

Regulator: maintains a steady outlet pressure

Conductor: 3

EX II 3/3 GD c IIB T 135ºC ATEX zone 2

includes the hose

Alemite 1/3 HP Pump System Mobile Cart Package - 343185 Liquid Level Gauge 5 GPM while the 21500Alemite offers a Diesel Exhaust Fluid (DEF) Dispensing System for shops servicing heavy duty diesel vehicles. Engineered for efficiency and reliability, Alemites DEF pump systems and reels provide superior performance and long service life at an affordable price. Alemite has also added a fuel transfer pump to quickly transfer diesel, kerosene or mineral spirits. DEF PUMP SYSTEMS Alemites line of systems and equipment for diesel exhaust fluid (DEF)