Enough for many air conditioner installation works. BRAND NEW - SINGLE Stage Refrigeration Mini Vacuum Pump. 1.8 CFM / 40 Liters per Min. Non return valve and Vacuum gauge. 1 Stage Pump Low Noise Steady Gas Freeing Character. Free Air Displacement: 1.8. The item "1 STAGE 1.8 CFM VACUUM PUMP 40L/MIN VACUUM DESICCATOR AIR CONDITIONER" is in sale since Saturday, October 6, 2018. This item is in the category "Industrial\Test, Measurement & Inspection\Other Test & Measurement". The seller is "snow*boy" and is located in Auburn, NSW.