16 Packs HP Compatible Ultrasound Medical Cardiology Recording Chart Paper, Red Grid, Z-Fold, Size 8.5″ x 11″ (200 Sheets). Precision Charts Inc. (PCI) is certified to manufacture, distribute and sell according to the International Standards of ISO 9001 and 13485.
HP Compatible M1707A Recording Chart Paper, Made in the USA, 200 sheets per pack, size 8.5″ H x 11″ L, Z fold, Grid Color is red. QUALITY: Premium Grade Medical ECG – EKG Recording Chart Paper, Guaranteed To Meet Or Exceed OEM Specifications.