Diagnose HD truck intakes, exhaust, vacuum lines and components, cabin air and water leaks and much more. Not for EVAP testing Accessories Uses shop air or inert gas (does not include compressor) Quick smoke generation Built-in safety pressure relief valve Include: two large inflatable block-off bladders with safety chains, 6 rigid smoke stack ring, pressure sensor port adapter, oxygen sensor port adapter, temperature sensor port adapter, high intensity battery powered smoke illuminating flashlight and 8 oz. smoke producing fluid Compact, heavy-duty design for years of reliable service Pressure can be regulated from 0 to 28 PSI Large easy to read pressure decay gauge 0 to 30 PSI Non-toxic and non-corrosive smoke 10 12V power cables with durable clamps Heavy-duty 10 smoke injection hose Velcro strap for hose and power cable storage