LMI Milton Roy Series J5 are a electromagnetic solenoid driven diaphragm 12 Volt DC powered metering, chemical, Injection Dosing pumps for precise and accurate metering control. These include adjustable outputs from 0.006 to 2.0 GPH and injection pressure capabilities available to 140 PSI. All pumps include a total of 16 ft (4.8 m) of polyethylene tubing complete with compression connections, a foot valve with integral one piece strainer for the suction line, and an injection check/back pressure valve with 1/2" NPT male connection for the injection point.