2Piece 3/4 Tee Coolant Heater Hose Connectors Fittings Adapters For Car Air Intake Hose Intake Duct Tube is made of high temperature rubber which is durable and resists the drying and cracking, provides a long service life. The main function of the air hose is to feed cool ambient air from the external environment, typically through air box channels from the front grill into the engine throttle body or turbocharger, through a vacuum. This air cleaner intake hose is easy to install. During installation, first locate the position of the old intake hose on the vehicle, remove it, then align this intake hose with the corresponding connection port, adjust the position, and secure it with the included clamps. The entire process does not require complex tools or professional technical skills; it can be completed by an individual, allowing for quick installation and use. If you have any issues with the Air Intake Hose, simply contact customer service for trouble shooting, replacement, or refund. Our aim is to make you satisfy the parts and the service we provide for you.