This Beckman Coulter JA-20 J20 centrifuge rotor and lid are the perfect addition to your medical or lab equipment. With a fixed-angle rotor type and 8-pos 28mm tubes, this centrifuge is ideal for your separating and isolation needs. The rotor and lid are compatible with a variety of centrifuges, making it a versatile option for your laboratory or clinic. Whether you're working with blood, plasma, or other materials, this centrifuge rotor and lid are a reliable choice.