Click to Expand Tap to Zoom Hewlett Packard / Philips HeartStart MRx ECG/EKG Chart Paper - Black Grid by Leonhard Lang USA $109.95 SKU 13755-C 50 Roll Case - $109.95 UOM 50 Roll Case 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add To Cart My Supplies My Supplies 0 Description Description Premium ECG/EKG Black Grid recording chart paper for use with Philips Heartstart MRx, M3535A & M3536A monitors. 76mm X 25m Roll.EQUIVALENT TO:Hewlett Packard: 989803138181Available Quantities:5 Roll Pack | 50 Roll CaseMIX & MATCH CASES - Contact Us