Phenom PHF32 filter holder kit to examine paper or plastic filters with the Phenom Pure, Pro and ProX table top SEMs. Fully compatible with the Phenom metallurgical sample holder and the Phenom charge reduction metallurgical sample holder. The Phenom PHF32 consists of a flat Ø32x0.5mm aluminumwasher with an opening size of Ø22mm and a Ø32x10mm aluminumstub. The filter is to be placed between the washer and the stub and then loaded into the Phenom metallurgical holder for examination.