150 PSI DC 12V Air Compressor with 6 Liter Tank for Train Horns Motorhome Tires. · Premium Steel: Tank Capacity: 6 Liter / 1.60 Gallon. This onboard air compressor system for tires features a high-quality stainless steel tank plus aluminum alloy air compressor that’s sturdy and durable. Stand up to all harsh conditions and move forward with any project. · 150 PSI Performance: Max pressure: 150 PSI, Flow Rate: 35L/min. Heavy-duty 12 volt air compressor provides reliable performance. Featuring a built-in protection design, it will automatically shut off when the air pressure reaches 150PSI...