Image 1 of 1 THERMO EPREDIA AVANTIK Specimen Head for HM 520 525 NX QS11 QS12 $1,482.41 Get notified by email when this product is in stock. Add To Cart Added! Specimen Head compatible with following cryostat models:HM520HM525QS11HM525NXQS12Admiral Products item #: 18500010 Specimen Head compatible with following cryostat models:HM520HM525QS11HM525NXQS12Admiral Products item #: 18500010 Condition: Genuine OEM - Used // ...