Thermaltake introduces the Pacific PR Series pump with tube reservoir set for the ultimate in custom PC water-cooling configurations. Featuring exceptional performance and unrivalled reliability, the PR22 is manufactured from High quality POM and PMMA Material to provide a crystal clear, High performance, and durable solution. By giving users ideal mounting, fitting and flow, the Pacific PR Series is the right choice for PC enthusiasts. 300ml capacity; 500 L/HR maximum flow rate. 2 Year Warranty.