The 12MP-12FPX STR Restrictors by Fittings Unlimited Inc are designed to regulate fluid flow in various systems. With a size specification of .031 inches, these restrictors are ideal for applications requiring precise flow control. Constructed from durable materials, they ensure long-lasting performance and compliance with industry standards. These restrictors are perfect for use in hydraulic and pneumatic systems, providing reliable operation under varying conditions. Their compact design allows for easy integration into existing systems, making them a valuable addition to any fluid management setup.