The 1.5" Thermometer Cap with .375" Female NPT by Wayland Industries is crafted from robust 304 stainless steel, ensuring durability and resistance to corrosion. This cap is designed to fit standard thermometer fittings, providing a secure seal for accurate temperature readings in various applications. Ideal for use in HVAC systems, food processing, and laboratory environments, this thermometer cap is essential for maintaining optimal conditions in your processes. Its compact design allows for easy installation and reliable performance.