036869-001 QUINTON Z-FOLD EKG CHART PAPER (Alternate number 18416-002) - Full Orange Grid, 8.5" x 11", 200 sheets per pack. Five-year shelf life when stored properly. Fits Quinton Q-Stress System, Q710, Q750, Q4500, 645 ECG Machines. 1PK, 10PK/CS. Priced per pack.