Features: 1.Silicone Cap: The cap is made of silica gel, which can be used for a long time and has high durability to ozone, water, weather and extreme temperature. 2.Universal: Suitable for intake vacuum flexible pipe, BOV pipe, oil gathering pipe, radiator pipe, intercooler pipe, or other industrial applications. 3.5pcs in Tatal: The package contains 5pcs intake vacuum hose bungs, with 30mm/1.2in inner diameter, better to meet your needs. 4.Rigorous Testing: The cap is tested for reliability, durability and performance before leaving the factory to ensure its quality and stability. 5.Long Durability: Professional manufacturing, intake vacuum hose bung has high performance, strong reliability, long use time. Specification: Item Type: Silicone Blanking Cap_x005f_x000D_ Material: Silicone_x005f_x000D_ Inner Diameter: Approx. 30mm/1.2in_x005f_x000D_ Application: It is suitable for all 30mm automotive intake vacuum flexible pipes, BOV pipes, vent pipes, oil collection pipes, radiator tank pipes, radiator pipes, intercooler pipes, booster controller pipes or other industrial applications.