pump, vacuum pump, vacuum equipment. We supply pump with highest qualityand offers the longest standard warranty for 18 months. pump, vacuum pump, vacuum equipmentFJ-620/FJ-500F Molecular Pump UnitFJ-620/FJ-500F series combined molecular pump unit is a clean and ultra-high vacuum acquisition equipment with various F160/620 series combined molecular pumps or FF-160/500F combined molecular pumps, ...