Supercrazy Central Pneumatic Brake Fluid Bleeder Tool Kit Master Cylinder Adapters 90 - 120 PSI SF0086 The simplicity of this tool allows brake bleeding to get done by one person easily. Flush and refill entire brake system 34 oz Waster Brake Fluid Tank 24 oz New Fluid tank that inserts into your master cylinder with provided adapters. Air requirement: 90 to 120 PSI, Air inlet: 1/4"- 18 NPT Air inlet: 1/4"- 18 NPT