RAASM: Air operated stub pump compatible with oils, lubricants and other products. Aluminum upper body suction tube and carbon steel suction tube. Viton seals. Air inlet connection: ¼” NPT (f). Fluid outlet connection: ½” NPT (f). Air working pressure: 90-120 psi. Noise level: 81dB. Deliverable oil temperature: 14-122°F. Max Deliverable oil viscosity: 130 SAE. Suction tube length: 37”. Suction tube external ø: 1.34”. Suitable for a 55 gal drum/bench tank, etc. 5.3 GPM.