The PRM FMDFG4050 5-50 SCFM Air Rotameter Flow Meter is a device designed to measure air flow in industrial and laboratory systems. This rotameter offers a broad flow range from 5 to 50 SCFM, making it ideal for high-volume air flow measurement applications. The clear acrylic body allows easy visual monitoring of air flow, while the polypropylene end tails ensure durability and ease of maintenance. Built with a 304 stainless steel plunger and travel rod, this flow meter provides long-lasting reliability and resistance to wear. Viton O-rings and seals create a secure, leak-proof connection, ensuring consistent and precise readings. With 1.5-inch male NPT connections, installation is simple and secure. The device operates at a maximum pressure of 85 psig and can withstand temperatures up to 125°F, making it suitable for moderate pressure and temperature applications in various industries.