Products Ultrasound Units HT901HT902HT905HT906HT922 Hot & Cold Therapy Products HT703 Digital Electric Moist Heating PadHT705 Electric Moist Heating PadGel Hot & Cold PackMoist Heat PackSolid Gel Hot & Cold Pack TENS/EMS Units 1 Channel TENS Unit2 Channel TENS Unit4 Channel TENS Unit6 Channel TENS Unit8 Channel TENS Unit12 Channel TENS Unit Digital Memory Peak Flow Meters HT801 Professional SeriesHT801A Personal SeriesHT802 General Series Gel Series Ultrasound GelUltrasound Gel Pads Self Adhering Electrodes Self Adhering Electrodes Electrotherapy Accessories Ultrasound GelUltrasound Gel PadsHealth Mattress Electrode & TENS Wires Electrode & TENS Wires other Health Mattress Subscribe Newsletters Home Products TENS/EMS Units 6 Channel TENS Unit 4 products in this product line 6 Channel TENS Unit HT331B series Medium Frequency Stimulator Detail HT338N series Medium Frequency Stimulator Detail HT538 series Medium Frequency Stimulator Detail HT558 series Medium Frequency Stimulator Detail HT331BN series Medium Frequency Stimulator Detail HT338 series Medium Frequency Stimulator Detail HT329L6 series Low Frequency Stimulator Detail HT528 series Medium Frequency Stimulator Detail HT338LN seriesMedium Frequency Stimulator Detail