ECG / EKG Medical Grade Recording Chart Paper, Z-Fold Pad, Red Grid, 150x100x150, Equivalent to Phillips Hewlett Packard M1910A, Kendall 30748696, 7625114 Fits Hewlett Packard models M1350A/B, M1351A ,M1353A, Series 50, Advanced Medical Systems IM77 and Air Shields-Vickers AMS IM77 (sold by the pad, 100 pads per case) Availability: Usually ships the same business day Philips - HP M1910A equivalent A114078$1.86 Copyright 2006-2011, A1cardiology.com