Product Details: The included ATD-22 large utility bag (20.5" W x 9.5" D x 10" H) keeps all your components organized and easily accessible, streamlining your workflow. The ATD-3410 4.2 CFM air-operated vacuum pump, requiring only 4.5 CFM/90 psi shop air, boasts no moving parts and requires no oil, ensuring reliable operation with minimal maintenance. The vacuum pump efficiently pulls up to 29 inches of vacuum, essential for proper system evacuation. The kit also includes the ATD-3659 R134a self-sealing recharge kit with a brass dispensing valve, 12" hose, and R134a quick coupler, facilitating quick and efficient refrigerant charging. This kit also features a manifold gauge set, providing accurate readings during the service process. Its compatibility with both R12 and R134a refrigerants makes it suitable for a wide range of vehicle models. The ATD-90 isn't just a collection of tools; it's a complete solution that increases efficiency, reduces service time, and helps your team maintain peak productivity. Invest in the ATD-90 today and experience the difference that a truly comprehensive and well-organized A/C service kit can make.