Best Vacuum Tank Sight Glass

• Robinair's VacuMaster Economy Vacuum Pump is designed for air conditioning and refrigeration service, featuring a 2-stage rotary vane design, 7.5 ounce oil capacity, and non-skid feet
• 3 CFM free air displacement
• factory rated to 35 microns
• 1/3 HP, 115V/60Hz thermally protected motor
• Features an inlet fitting engineered for maximum airflow, while preventing oil backflow, and finned aluminum surfaces that dissipate heat faster, keeping the pump cooler and extending life

• In-line sight glass replacement
• 2-inches socket
• Fits Hayward VariFlo control valve
• Weighs 39.1 pounds