Designed for use with Freightliner, International, Kenworth, Peterbilt, Volvo, GMC , MACK and Sterling cooling systems

• Use shop air to maintain constant pressure to the cooling system during testing and refill.
• Helps eliminate the complications often experienced with unreliable rubber plugs or bladders, saving setup time & providing more accurate test results.
• Quick Disconnect vacuum attachment allows rapid refilling of the cooling system.
• Includes Heavy Duty Vehicle adapters, pressure test regulator, vacuum refill attachment with tubing, all in a durable storage case.