The 4MB -4FPX STR Restrictor from Fittings Unlimited Inc is engineered for precise fluid control in various applications. This straight restrictor features a compact design, allowing for easy installation in tight spaces. Constructed from durable materials, it is built to withstand high pressure and temperature variations. The dimensions are tailored for compatibility with standard fittings, ensuring reliable performance. This restrictor meets industry standards for safety and efficiency, making it an excellent choice for both commercial and residential systems.