3M RED DOT FOAM ADHESIVE GEL EKG ELECTRODE (2570) - 1.6 inch x 1.36 inch (4cm x 3.5cm) Monitoring Electrode with Foam Tape and Sticky Gel, radiolucent stud, with skin abrader. For hospital-wide use, especially suited for the ER, OR and Catheter Lab or ICU and Paramedics. 50/bag, 20bg/cs. Priced per Bag.