
Z446-750-A57 by Benchmark Scientific is a 27-position adapter insert (2/pack) for 5 mL and 7 mL tubes in the Z446-750 4 × 750 mL swing-out rotor (Benchmark/Hermle Z446 centrifuge). Suited for flow cytometry tubes, vacutainer blood collection tubes, and bacterial culture tubes. Four inserts (two packs) fill all four rotor buckets, enabling simultaneous centrifugation of up to 108 × 5/7 mL tubes per run.