1508 PT# 1508- Prep Pads EKG/ECG Isopropyl Alcohol with Pumice 1000/Ca by, Dynarex Corporation Go to amazon.com Related posts Top 12 best ekg electrodes 1000: Which is the best one in 2022? FeatureBetter adhesion of electrode for stress testing DescriptionPumice removes excess skin oil enhancing electrode to skin contact for EKG testing