<p>Product Details: 12 Pads (per case), Medical Cardiology Recording Chart Paper, Grid Color Red, Z-Fold, 250 Sheets Per Pad, Size 8.5" x 11". Our company is certified to distribute & sell according to the International Standards of ISO 9001 & 13485. </p><p>Medical Cardiology Recording Chart Paper 9100-026-01, Made in the USA, 12 Pads Per Case, Grid Color Red, Z-Fold, Size 8.5" x 11". QUALITY: Premium Grade Medical ECG - EKG Recording Chart Paper, Guaranteed To Meet Or Exceed OEM Specifications.</p>For use with ELI 250, Eli 210, Eli 280, Eli 350. Equivalent To: Mortara 9100-026-01 and 9100-026-50