Oil-less rotary vane pumps are a great, low maintenance pump technology but the vanes do need to be changed regularly (typically 3000-10,000 hours) to prevent breakage and possible pump damage. In addition to OEM vanes, ASIA VACUUM proudly offers DuraVane pump vanes. For over two decades, ASIA VACUUM has been manufacturing these high-quality and high performance vanes for a wide variety of rotary vane pump brands. Each vane is precision-machined to exacting tolerances and is made of specially formulated carbon-graphite composites and binders to extend pump performance and life. DuraVane vanes are made in America, fully guaranteed, and are priced up to 37% less than OEM pump manufacturer vanes. They are engineered as an exact replacement to provide great value and performance.