Edwards E2M18 refurbished vacuum pump. Dual-stage positive displacement pump. Nominal capacity of 17.7 m³/h at 50 Hz and 21.6 m³/h at 60 Hz. Ultimate pressure without gas ballast of 1.5 x 10⁻³ mbar; with gas ballast of 1.2 x 10⁻¹ mbar. Oil capacity of 1.0 - 1.25 liters. Noise level of 57 dB(A). Inlet and outlet connections ISO KF25. Operating voltage 100-120V / 200-240V, frequency 50/60 Hz. Approximate weight of 39 kg. External dimensions not specified. Ideal for industrial and scientific applications in laboratories, manufacturing, and semiconductor industry.