Specifications: Tank Capacity: 1/4oz/7.5ml (Min)-2oz/60ml (Max). Connections: 1/4" SAE Female. R134A Coupler Adapter: Low Pressure coupler (inner diameter 13mm) to 1/4" SAE Male. R1234yf Coupler Adapter: Low Side Quick Coupler (inner diameter 14mm) to 1/4" SAE Male. Rated working pressure: 3000 psi burst / 600 psi Max. working pressure. Instructions: .
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