Description: Efficient Leak Detection: This cone adapter is an essential accessory for automotive smoke machine, designed to provide optimal leak detection for various automotive systems, such as intake or exhaust Material: Made from silicone, this exhaust intake diagnostics adapter ensures durability and longevity, providing a reliable solution for your automotive diagnostic needs Easy to Use: Automotive Smoke Machine Cone Adapter ensures a good fit on different exhaust, intake, and boot sizes, allowing for precision leak testing Compact Design: Larger openings diameter is 85mm/3.34 inch, small opening diameter is 30mm/1.18 inch, fits almost all exhaust tips and intake boots Wide Compatibility: Automotive Smoke Machine Cone Adapter works with all automotive smoke machine leak testers Specification: Material: Silicone Size Chart: Large Opening Diameter: 8.5cm/3.34 inch Small Opening Diameter: 3cm/1.18inch Cone Height: 10cm/3.94inch Toal Length: 25.5cm/10.04inch Package Includes: 1 Piece Automotive Smoke Machine Cone Adapter Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.