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Amazon.com: AUVON TENS Unit Replacement Pads, 4" x 8" Large Butterfly Shaped Electrode Pads for Back/Lower Back Pain, Reusable Latex-Free, Stim Pads with Self-Adhesion for Muscle Stimulation & Therapy (2 Packs) :
AUVON TENS Unit Replacement Pads, 4" x 8" Large Butterfly Shaped Electrode Pads