McKesson Hinged Knee Brace, Extra Large, 1 Each Diathermy Deep Heat Units *Comfortable: Cuffs conform to the Style:Right Ear *Comfortable: Cuffs conform to the shape of the limb and have no hard stiff edges Pump only * The Aqua Relief System delivers therapy and comfort to achy feet and hands due to diabetic neuropathy or poor circulation * * The Aqua Relief System delivers pain relief to achy feet and other body parts due to arthritic pain carpal tunnel syndrome back pain and all other pain conditions * The ARS universal therapy pad (sold separately) can be used on any part of the body including with easy to adjust hook and loop straps Extra large fits 23 to 25½ inch knee circumference