ThebezelcomesonthefrontpaneloftheAestivaAnesthesiaDeliverysystem.TheupperbezelwhichisaremovablepartcoverstheuppershroudpartofthefrontpanelofAestivamachine.Itismadeupofvalox3 57material.Thismaterialisapolycarbonateorpolybutyleneterephthalate(PCorPBT)resinwhichisanon-reinforced,impactmodified,injectionmoldablegrade.ThisbrominatedflameretadrdantPC/ PBThasaULV0rating.Itoffersgoodcombineheatandchemicalresistance,aswellasoutstandingelectricalpropertieswithexceptionallygoodprocessabilityandsurfaceappearance.Thebezelisprinted"Aestiva3000"andlampilluminationingrey,"Datex-Ohmeda"and"D"ingreencolour.