Vacuum Brake Bleeder The CPR Brake Bleeder & Fluid Extractor is an air operated brake bleeder which simplifies bleeding of brake and clutch systems in automotive applications. It uses standard workshop air supply via 1/4" BSP airline fitting and has a unique rubber adaptor which provides a tight seal around the bleed nipple to ensure leak free operation. Can be used without air compressor vacuum hose (Gravity Bleed) Specifications Extraction rate: 1.6L/min Working pressure: 90-170 PSI Capacity: 1L