TENS/EMS Unit Replacement Pads NURSAL 20-Pack 3.5mm Excellent Adhesion: The low-impedance, solid electrode gel is made with an industry-leading adhesive, providing excellent adhesion for a maximum of 45 uses. Our reusable, medical-grade pads are biocompatible, latex-free, and non-irritating to ensure a safe and comfortable experience. Universal Compatibility: NURSAL tens unit replacement pads are compatible with all Belifu, AVCOO, Neocarbon, CESLIFF, NueMedics, TECHCARE, MEDVICE, TECBEAN muscle stimulators on the market that use industry-standard 3.5mm snap-on connectors (NURSAL Blue TENS with 2mm connector does not fit). Premium Quality: We are always looking for new ways to provide our customers with incredible value! Each pad is flexible and soft to the touch, helping you get the most out of your TENS or EMS unit. They also feature a durable fabric backing and come with resealable packaging for a longer lifespan. Safety Certification: When using NURSAL TENS pads, you get fast pain relief and are further protected by not having to ingest potentially harmful additives or consume prescription drugs. They are good sticky, quick to grab, easy to peel off, and resist drying out. 20 Pieces Value Pads: A total of 20 pieces of pads, which come in small*4 (1.2''×1.6''), medium*12 (1.6''×1.8''), and large*4 (2''×4'') sizes, the electrodes can target different massage locations on the body for a better massage experience.