ATD Tools 90 A/C Bag Kit Kit Includes: ATD-22 - Large, 18 Pocket Utility Bag: 20-1/2" width x 9-1/2" depth x 10" height; ATD-3502 - R134a U-Charge Kit: Brass dispensing valve with hose and R134a quick coupler; Charge A/C systems using R134a cans with 1/2" ACME fitting ATD-3410 - 4.2 CFM Air Operated Vacuum Pump: Requires 4.5 CFM/90 psi shop air; No moving parts, no oil required; 1.3 CFM air displacement venturi type pump will pull up to 29 inches of vacuum (Hg.) at sea level; Includes 1/4 inch flare (R12) connection and 1/2 inch ACME (R134a) connection