The Wayland Industries 3" Thermometer Cap features a .75" Female NPT connection, crafted from durable 304 stainless steel. This cap is designed to securely seal thermometer ports, ensuring accurate temperature readings in various applications. Ideal for use in food processing, HVAC, and industrial systems, it meets industry standards for safety and performance. The robust construction ensures longevity and reliability, making it a valuable component in temperature monitoring systems. This product is essential for maintaining optimal conditions in critical processes.