The Mettler EZ-Trode Self-Adhesive Electrode with Aloe Vera and lead wires has a thin silver layer that provides superior conductivity. Warranty: 1 Year. Mettler EZ-Trode Self-Adhesive Electrode with Aloe Vera Features: Superior conductivity and longevity. Silver-coated. Reusable. Foil-lined pouch extends shelf life. Skin friendly conductive gel maintains smooth skin contact through many stimulation sessions. Soft-rubber connectors are long-lasting and come in a special resealable pouch that preserves freshness while being easy to open and close. Mettler EZ-Trode Self-Adhesive Electrode with Aloe Vera Sizes: 2221: 2" Diameter Round (4 Electrodes per Package / Case of 10 Packages / 40 Total). 2222: 2.75" Diameter Round (4 Electrodes per Package / Case of 10 Packages / 40 Total). 2223: 2" x 5" Rectangular (2 Electrodes per Package / Case of 10 Packages / 20 Total). 2224: 2" Square (4 Electrodes per Package / Case of 10 Packages / 40 Total).

• Mettler MLR-2221

Mettler MLR-2221Mettler