Z496-1L-A250F by Hermle is a 2-pack of 250 ml conical bottle inserts for the Hermle Z496-1000-1L rotor on the Hermle Z496 ultra-high-volume floor centrifuge series. The inserts allow 250 ml conical bottle runs in the large 1L bucket positions at up to 4,600 rpm / 5,203 × g.