Streamliner(R) M Service Pack, Included Grease Type Exxon Unirex EP2, Feeder Capacity 250 cc, Operating Temperature - Minimum -4 Degrees F, Operating Temperature - Maximum 140 Degrees F, Spring Force 280 psi, Pre-Filled Status Pre-Filled, Feeder Material Polycarbonate, Flow Rate Adjustability Adjustable, Delivery Method Continuous, Includes Battery Pack, Grease Fitting Cap, Unit Cover, Refillable No, Grease Color Blue, Overall Diameter 3 in, Overall Height 3 in