This listing is for the Thermo Scientific Multifuge Pro Centrifuge Series. The units are in full working condition and are ready for immediate use. The Thermo Scientific™ Multifuge™ Pro Centrifuge Series (including the X4R refrigerated model) is a high-performance, versatile laboratory centrifuge designed for high-capacity, general-purpose processing. Featuring a 4-liter capacity, these units are ideal for cell culture, blood separation, and microbiology. Key Features: Auto-Lock™ Rotor Exchange: Tool-less, push-button rotor exchange for fast application changes in under 3 seconds. Intuitive Interface: A full-color touch screen provides easy, rapid programming, with storage for up to 100 programs. Versatility & Capacity: Compatible with up to 18 different rotors (swing-out and fixed-angle) with a maximum speed of 15,200 rpm (up to 25,830 x g). Sample Protection: ClickSeal™ biocontainment lids provide certified, glove-friendly, snap-on sealing for safety. Efficient Design: The X4R refrigerated model includes a powerful cooling system for temperature-sensitive samples, with a range of -10°C to +40°C. SMARTSpin™ Technology: Advanced rotor management optimizes acceleration, braking, and residual load imbalance.