ECG / EKG Medical Grade Recording Chart Paper, Z-Fold Pad, Red Grid, 90x90x290, Equivalent to Schiller 2157-014A Fits Schiller models AT-1, SP-1 and 1200 (sold by the pad, 50 pads per case) Availability: Usually ships the same business day Schiller 2157-014A equivalent A112448A$3.07 Copyright 2006-2011, A1cardiology.com