spex ZYGO Active Contour Mid Back Support ຄູ່ມືຜູ້ໃຊ້
spex ZYGO Active Contour Mid Back Support MEASURE WIDTH ACROSS BACK SURFACE SIMPLY MEASURE ACROSS THE BACK BETWEEN AXILLAE MEASURE FOR BACK SUPPORT HEIGHT SIMPLY MEASURE FROM THE DESIRED FINISH HEIGHT TO 1” BELOW PSIS CHOOSE CONTOUR ACTIVE ACTIVE LO…