TheManifoldCircleBreathingCircuitGasModuleBSinAnesthesiaDeliveryisusedinAestiva7900,AestivaMRI,Aestiva7100,BCGcirclemoduleassemblyandothermedicalequipmentsasapplicable .Manifoldassemblyisusedtoconnectpatientbreathingtubeandventilatormachineforpatientbreathing.Thetubeandmanifoldassemblyprovidesaquick-changeventilatorcircuitwhich allows aplurality of tubingconnectionstobedisconnectedandreconnectedsimultaneouslysothataportionoftheventilatorcircuitmayberemovedforsterilizationandquicklyreplaced,thusminimizingdangertothe patient.Themanifoldshaveapluralityofsealingseparatedpassagewaysforconnectingvarioustubes. toeithertheactive/passivegasscavenginginterfaceortowardsthemainmanifold.Itprovidesefficientperformancedespitecomingintocontactwiththegasesthatarelessthan300psi.