Jobst Anti Em Thigh Hi XX Large Long Bx 6 Specimen Collection Products Power: Powered by 2 x Aluminum band assists in Power: Powered by 2 x AAA Batteries(not included) Outstanding acoustics with better audibility of high frequency sounds (adult side firm pressure) * Tunable diaphragm: Hear high or low frequency sounds by slightly adjusting pressure on the chestpiece * Standard Finish Chestpiece Black Tube Stainless Stem and Headset * Dual lumen tubing: Two sound paths in one tube eliminates the rubbing noise of traditional double tubes * Next generation tubing lasts longer and resists stains * Not made with natural rubber latex or phthalate plasticizers * Headset is easily adjusted for individual fit and comfort * Angled eartubes align with ear canals * Seven year warranty provides greater peace of mind Latex free Jobst Anti Embolism GP Stockings provide a convenient inspection window at the top of the foot so that the exposed skin does not touch the floor *The Jobst Gradient Compression Seamless Anti Embolism Elastic Knee Length Stocking is specifically designed to combat thromboembolism *The Jobst Anti Embolism GP Stocking applies a gradient compression greatest at the ankle and gradually decreasing to the thigh without tourniqueting or impeding the venous return *For fit measure calf at largest circumference measure leg from bottom of heel to bend of knee *Size: Anti Em Gp Thigh High XXL Long Length *6 Pairs per Box