Anesthesia breathing system/circuit: Different sizes: Adult type, pediatric type With common tube or extension tube Type: Corrugated/smoothbore/coaxial/Dou -limb/expandable Standard connector ( 15mm, 22mm) Full length: 100cm-200cm High quality, kink resistant Transparent nontoxic corrugated hoses Excellent flexibility MOQ: 2000PCS CE and ISO certified Packing: blister packing, 20 pcs/ctn, CTN size: 65x46x35cm/20pcs Lead time: within 3-4 weeks, depending on quantity Samples can be available.