Sur-Fit Natura® Colostomy Barrier With 7/8 Inch Stoma Opening, 1 Box of 10 Wheelchairs-Lightweight K3-4 Light Weight weighs only 19 Scales The Eakin wound pouch Select Ear:Left Ear 20322

Sur Fit Natura® Colostomy Barrier With 7 8 Inch Stoma Opening, 1 Box of 10 Wheelchairs Lightweight K3 4 Light Weight weighs only 19 Scales The Eakin wound pouch Select Ear:Left Ear 20322 Light Weight weighs only 19 lbs but has a weight capacity of 300 lbs Dual Channel * 4000 mHz * Unit comes complete with: set of 2 wires pack of 4 silver silver chloride self sticking electrodes 9V alkaline battery ac adaptor instruction book and attractive carry case * Dual channel quadra polar * Adjustable pulse amplitude * Carrier frequency plus interference frequency * Sweep and treatment timers * Shipping Carton Size: 12 L x 10 W x 6 H * HCPCS Suggested Code: E0730 * Interferential stimulators use a fixed carrier frequency of 4 000 Hz per second and also a second adjustable frequency of 4 001 4 400 Hz per second * When the fixed and adjustable frequencies combine (heterodyne) they produce the desired signal frequency (Interference frequency)