Features: Capacity: 30 × 0.5mL Max. Speed/RCF: 80,000rpm/357,440 x g (outer row), 303,824 x g (inner row) K factor: outer row: 14, inner row: 16 Compatible with: Thermo Scientific™ Sorvall™ MTX 150 Series Micro-Ultracentrifuge, MX Series Floor Model Micro-Ultracentrifuge Recommended for: Multiple micro-sample pelleting, lipoprotein flotation.