... .Energy saving, cost saving Stainless Steel Central Vacuum Cleaner System CVS3.18 R6051.Power:1200/1650/1800W 2.Ametek Bypass Motor ... filter filtration rate was 99.97%, excellent cleaning efficiencySpec: Model CVS3.12CVS3.16CVS3.18CategoryHybrid CyclonicPower Unit CrustImported stainless steelMotorAMETEK enhanced AIRWATTS ...