Thermal Print paper Roll ECG Paper 110mm*20M for CE Marked Digital 12 Leads 3/6 Channel ECG Machine ECG600G Dimension: 110mm(W)*20M(L) 1. Compatible Ultrasound Medical Cardiology Recording Chart Paper, one roll per pack, size 110mm W x 20 ML, Grid Color is red. 2. 12 Leads 3/6 Channel ECG Machine ECG600G Insulation Print Paper. 3. Our company is certified to distribute & sell according to the International Standards of ISO 9001 & CE. 4. QUALITY: Premium Grade Medical ECG Recording Chart Paper. 5. For use with ECG Machine ECG600G.