ECG / EKG Medical Grade Recording Chart Paper, Roll, Black Grid, 50x150, Equivalent to: Burdick 007957, Kendall 30883790, 3126984. Fits Burdick models EK-10, Elite and Elite II (sold by the roll, 32 rolls per case) Availability: Usually ships the same business day. Burdick 007957 equivalent A113084$1.39 Copyright 2003-2005, 2006 A1Cardiology.com