Thermalsoft Gel Pack Covers (For Use with Thermalsoft Gel) Model No. : 9851-54 Regular price: $79.99 Your Price: $49.99 Options: 9851 Standard9853 Cervical9854 Extra Large Availability: Usually ships the same business day. Quantity : Iontophoresis Treatment Kits – 4 Size Options (Medium) Mettler Sys*Stim 208 Single Channel Surge, Pulse and Tetanize modes