ALZETTM PEEK Tubing, pre-cut and sterilized, is a non-metallic replacement for the flow moderator of an ALZET Osmotic Pump for use in studies involving MRI. PEEK has excellent chemical compatibility and is widely used in medical applications. This item, PEEK Tube for 200 µl ALZET Pumps, is the optimal length and diameter for ALZET Pump Models 2001D, 2001, 2002, 2004, 2006. Instructions for use can be found at https://www.alzet.com/guide-to-use/mri/