Factory Price 3 Channel ECG Recording Paper-144mmx30m Yancheng Huisheng Medical Instrument Factory Base Info Model NO.:144mmx30mTrademark:huishengSpecification:144mmx30mOrigin:JapanHS Code:4823400000 Description Pre:High Quality Disposable ECG Electrodes 45mm Foam for Adult Next:Medical Face Mask Single-Use 3ply with Earloop/Tie for Children