
Z326-100H-A57 by Hermle / Benchmark Scientific is a set of four 5/7 ml tube inserts for the Z326-100H hermetically sealed swing-out rotor, sold 2 sets per pack (8 inserts total). Compatible with Hermle Z306 and Z326 Universal Centrifuges, these inserts enable small-volume centrifugation within a containment-rated sealed bucket — ideal for clinical sample prep and biohazardous material processing.