The 4MBST-2FBST STR. BUSHING from Fittings Unlimited Inc is a crucial component for adapting pipe sizes in various systems. This bushing features a 4MBST size on one end and a 2FBST size on the other, allowing for seamless transitions between different pipe diameters. Constructed from durable materials, it ensures longevity and resistance to pressure. Its precise dimensions and threading provide a secure fit, making it ideal for hydraulic and pneumatic applications. Compliant with industry standards, this bushing is essential for any professional plumbing setup.