Features: High-Quality: Made of High quality rubber, this quick intake adapter is an inflatable block off bladder with a pressurized vapor pass-through for quickly and easily testing. Quick Intake: It is an inflatable block off bladder with a pressurized vapor pass-through that allows technicians to test an entire intake or exhaust systems quickly and easily. Wide Applications: With inflatable block off bladder, it can reduce workload in a leak check, compatible with diagnostic leak detectors of most automobiles. High Compatibility: Conform to various shape of intake / exhaust: Round, oval, square, rectangular and even severely angled and hard to reach intake / exhaust systems. More Effective: Inflatable block off bladder and a pressurized vapor pass-through allow technicians to test an entire intake or exhaust systems quickly and easily. Package Includes: 1x Automotive Smoke Machine Bladder Inflatable Leak Plug Block Tester Specifications: Material: Rubber Net Weight: 220/25g note: Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.