8milelake Pneumatic Brake Fluid Bleeder Tool with 4 Master Cylinder Adapters 90-120 PSI Pneumatic Brake Fluid Bleeder Tool with 4 Master Cylinder Adapters 90 - 120 PSI Flush the entire brake system by yourself with this brake fluid bleeder. Use only DOT certified brake fluid Adapter Sizes: 21 To 30mm, 24 To 32mm, 28 To 37mm, 32 To 41mm Hose Length 1-1/12 ft. Convenient one-person operation 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&#039;&#039;- 18 NPT 1.25 INCHES.-1.60 INCHES (32 to 41mm) 1.10 INCHES.-1.45 INCHES (28 to 37mm) 0.95 INCHES.-1.25 INCHES (24 to 32mm) 0.80 INCHES.-1.20 INCHES (21 to 30mm)