The PBTK-40-NBR is a 40MM side port bellows fitting made from durable NBR material, designed for optimal fluid transfer. This fitting from Watts Fluidair is engineered to withstand various pressures and temperatures, making it suitable for demanding applications. The NBR construction provides excellent resistance to chemicals and oils, ensuring long-lasting performance. Its side port design allows for flexible installation in hydraulic and pneumatic systems, while its precise dimensions guarantee a secure connection, minimizing the risk of leaks. It meets industry standards for safety and reliability.