Kendall 7305 Foam ECG Electrode. Kendall 7300 Series Electrodes Are Intended For Use In General Adult Monitoriing Applications. The Foam Substrate Repels Fluids and Conforms to Body Contours. This Electrode Series Has a Skin Abrader Conveniently Located On The Backside of The Liner and The Bulk Packages Include a Ziplock Feature To Keep Product From Falling Out During Storage, Latex-Free.