1Compatibility: Expandable easy intake adapter are compatible with all automotive air intakes, including small cars and heavy trucks. 2Wide Applicability: Suitable for any shape of intake/exhaust system, such as round, oval, or other Angle, you can quickly diagnose any intake problems on the vehicle duct. 3Premium Material: The easy intake adapter is made of premium silicone rubber material with excellent sealing performance, softness, high temperature resistance, elasticity and tear resistance. 4Easy to Operate: Connect the instrument, manually squeeze the hand pump to inflate the bladder, then perform additional tests. After testing, remove the support to release air. 5Superior Performance: The intake adapter has excellent sealing performance. Great clogging of air intakes to help find air leaks. It can be used in a variety of harsh conditions.