Custom Premix Selecting "Custom Premix" option means that all of the beads you have chosen will be premixed in manufacturing before the kit is sent to you.
Particle contamination is the primary source of component wear and the cause of over half of all hydraulic system failures. Minimize expensive, dangerous failures and comply with regulatory requirements by regularly monitoring a hydraulic system’s contamination level by gravimetric, microscopic, or colorimetric analysis, using Merck’s filters and filter holders.