Economical Drum Pump Motors ( EF Series ) Motor Requirements:S4 - Battery 12V 4 mm) Sound Pressure: 73

4 mm) Sound Pressure: 73

Finish Thompson Air 2'' AODD Pump

S4 (Air) - CE certified

Finish Thompson 1 1/2" 316SS AODD Pump

Economical Drum Pump Motors ( EF Series ) Motor Requirements:S4 - Battery 12V 4 mm) Sound Pressure: 73Finish Thompson Drum Pump Motors: S1 QPS certified, 115V 60Hz, 8,000 14,000 rpm, max viscosity 300cP S2 CE certified, 230V 50 60Hz 8,000 14,000 rpm, max viscosity 300cP S3 CE certified, 115V 50 60Hz 8,000 14,000 rpm. max viscosity 300cP S4 (Air) CE certified, 40@27 cfm required, 300 11,000 rpm, max viscosity 300cP S6 ( Battery ) CE Certified, 12V, 8,000 12,000 rpm, max viscosity 300cP S Series Motor Manual