ECG / EKG Medical Grade Recording Chart Paper, Rolls, Array(Blank)Grid, 50x100. This Universal Product is Equivalent to: Spacelabs 307438, Kendall 30015682, 3579426 Fits Spacelabs models PC90600 & PC90700, Critikon models 8700, 8710 and 8720, Critikon Dynamap Plus 87/8720 (sold by the roll, 50 rolls per case) Availability: Usually ships the same business day Spacelabs 307438 equivalent A110907$0.87 Copyright 2006-2011, A1cardiology.com