Product Feature: · Made of medical grade PVCgrade PVCrade PVC · Used with any of the nebulizers for treatment of asthmatic patientspatientspatients · Designed for comfortable administration of fine mists of uniform density to reach deep into lung cavityg cavityg cavity · Simple three-piece design is easy to assemble and cleannd cleannd clean · Break-resistant with at least 14 days 14 days 14 days Different sizes are available. With CE and ISO certified Free samples available Packing: Sterilized individually PE or blister bag packing. OEM or ODM available Lead time: Within 3-4 weeks / depending on quantity