The Threaded Adapter 99103120421 is a high-quality brass fitting designed for superior performance and reliability in pressure washing and softwash systems. Built for durability and corrosion resistance, this adapter ensures a secure, leak-free connection between threaded components. Ideal for commercial and residential applications, it’s compatible with a wide range of pumps, hoses, and chemical sprayers. Specifications: Part Number: 99103120421 Material: Heavy-duty brass Type: Threaded adapter fitting Connection: Standard NPT thread (check system for size match) Application: Pressure washers, softwash proportioners, chemical sprayers, and plumbing assemblies Corrosion Resistance: Excellent for harsh environments and chemical use Features: Precision-machined threads for tight, reliable seal Corrosion- and rust-resistant construction Suitable for both low- and high-pressure systems Compatible with a variety of industrial and softwash components Easy installation for quick maintenance or replacement