The WATTS FLUIDAIR PDG TM 4MM M3 Fitting (Model DTM-4-M3) is designed for secure connections in pneumatic systems. This fitting accommodates 4mm tubing and features M3 threading for compatibility with various components. Made from high-quality materials, it ensures durability and resistance to wear, making it ideal for demanding applications. The compact design allows for easy installation in tight spaces, enhancing overall system efficiency. This fitting is a reliable choice for professionals seeking to optimize fluid transfer in their systems.