ECG / EKG Medical Grade Recording Chart Paper, Roll, Array,(Blank) Grid, 50x30, Equivalent to Philips - HP 40477(A/B), Kendall 30725389, 6547891. Fits Hewlett Packard models, 78560A with upgraded recorder, M1029A, M1116A/B, M1118A/B, M1122A, M1125A, M2340A - M2350A - M2360A with M1116A/B (sold by the roll, 50 rolls per case) Availability: Usually ships the same business day Philips - HP 40477A/B equivalent A18605$0.88 Copyright 2006-2011, A1cardiology.com