The WATTS FLUIDAIR 035507001 spring-red is designed for pressure regulation in the range of 1/2 to 30 PSIG. This precision spring is crafted from high-quality materials, ensuring consistent performance and reliability in various applications. It is ideal for use in pneumatic systems where accurate pressure control is essential. The spring's design allows for easy installation and adjustment, making it a practical choice for professionals. It meets industry standards, ensuring compatibility with a wide range of WATTS FLUIDAIR products.