TheRotatingConnectorSealcomesasapartoftheAnestheticGasScavengingSystem(AGSS)moduleofBreathingGasCircuit(BCG)inananesthesiadeliverymachine.ExcessfreshgasisreleasedfromthebellowsandthegasesthatareexhaledfromthepatientaretransferredfromtheexhalationvalvetotheAGSSmoduleandarescavengedsuchthatthepatientoranymedicalpersonneldonotbreaththem.ThesealisusedinboththeactiveandpassiveAG SSmodules.The gasfromrotatingconnectoraretransferredintothereceiverbodythrougharetainingring,theseaandafilter.Ittransferstheusedgaseswithoutanyleakagethusjoiningthefilterandtheconnector.