High Quality Materials This straight pipe air seal is made of high-quality brass and plastic, offering durability, resistance to aging and abrasion, ensuring reliable strength and long-term performance. Detailed Size You will receive 10 pieces of black PG8-6 variable diameter pneumatic seals. The total length is 3.5 cm with two adjustable diameters, suitable for pipes with diameters of 6 mm and 8 mm. Plug-in Design Features a simple plug-in design that requires no additional sealing. Provides a secure connection and is easy to install. Offers high pressure resistance, ensuring stable performance without disconnection. Pneumatic quick couplers maintain integrity under increasing pressure. Shuttle Ring Equipped with metal shuttle rings on both ends, facilitating installation in confined spaces. Includes PTFE-coated wire for excellent sealing performance and resistance to chemical adhesion. Versatility This pneumatic connector is compatible with polyethylene, nylon, and PU pneumatic tubing. Suitable for use in pharmaceutical, instrumentation, petroleum refining, natural gas, and chemical industries.