ECG / EKG Medical Grade Recording Chart Paper, Roll, Red Grid, 108x75, Equivalent to Mortara 9100-017 Fits Mortara Eli 100 and Eli-XR Stress w/ Eli 100 (sold by the roll, 50 rolls per case) Availability: Usually ships the same business day Mortara 9100-017 equivalent A18901B$1.82 Copyright 2006-2011, A1cardiology.com