Mortara Burdick Heartline� Monitoring Electrodes Case 007781 by Mortara Instrument GROUP: Diagnostic Instruments:Cardiology:Electrodes/Pads Item Description: HeartLine Durafoam Electrode, Wet Gel, Foam, Center Snap, Oblong 37mm x 51mm (1.46" x 2"), 30/pk, 20 pk/Case Packaging Desc: Disc-Electrode Foam Wet Gel30/Pack 20Pk/Case (N/R) Country of Origin: US Harmonized Tariff Code: 9018.11.8000 Product Description: