The 1 1/2" PIGGYBACK by Watts Fluidair combines filtration and pressure regulation in a single unit, ideal for pneumatic systems. This piggyback design allows for space-saving installation while maintaining high performance. It effectively filters out particulates and regulates pressure, ensuring a consistent air supply. The unit is constructed from high-quality materials for durability and longevity. With 1 1/2" NPT connections, it integrates seamlessly into existing systems. This model meets industry standards for safety and efficiency, making it a reliable choice for various applications.