Vacuum Pump + Vacuum Chamber:This 1.8CFM 1/4HP 1 stage vacuum pump with high-capacity 2 gallon vacuum chamber is for removing gases from compounds which have become entrapped in the mixture when mixing components, featuring with built-in high-capacity cooling fan, NOISE REDUCTION- This Vacuum Pump comes with 2 silencers, reducing the motor vibration and noise and making the vacuum pump run quieter. EASY MONITORING- This vacuum pump comes equipped with an oil viewing window so that you can easily monitor oil levels and quality, prevention of oil deficiency. INTELLIGENT RADIATOR- It can protect itself and prevent it burning out when something is stuck. Built-in thermal protection, avoid burning machine, extent the machine's life. WIDE APPLICATION- It is suitable for household air conditioning, automobile maintenance, vacuum packaging, refrigerator vacuum, Industry, etc., Manufacturer: MMHHHG