Hydroven 1 Garment Full Arm 31 Back Boards Height adjustable swing away footrests with 7318 DS SLV Height adjustable swing away footrests with pastic footplates Navy Blue 27 * The ultimate acoustical stethoscope * Tunable diaphragm conveniently alternates between low and high frequency sounds without the need to turn over the chestpiece * Handcrafted sold stainless steel chestpiece * 2 in 1 tube design eliminates tube rubbing noise * Portable convenience of a single sided chestpiece * Excellent acoustic seal and comfortable fit with patented Littmann Snap Tight soft sealing eartips * Comfortably angled anatomically correct headset * Patient friendly nonchill rim and diaphragm SINGLE CHAMBER GARMENT * Half Arm 31 length * Compatiable with item # 510003 *HCPC CODE: E0665 * Maximum circumference Upper arm 24