Hermle Z496-K High Volume Underbench Centrifuge (230V ONLY), Cat. No.: BM-Z496-K-UC, The Z496-K centrifuges offer the highest tube/bottle capacity in our line. ULTRA HIGH CAPACITY, (4 x 1000ml, 98 x 15ml or 40 x 50ml), Accepts 500ml or 750ml blood bags, Two models (Floor-standing, with storage drawer, Underbench (27.5″ height for use under the bench)).