The 12FS-10MS Reducer&Expander by Fittings Unlimited Inc is designed to facilitate smooth transitions between different pipe sizes. This fitting features a 12FS to 10MS configuration, making it ideal for various plumbing and HVAC applications. Constructed from high-quality materials, it ensures durability and resistance to wear and corrosion. The fitting complies with industry standards, providing reliability and safety in operation. Its compact design allows for easy installation in tight spaces, making it a practical choice for any piping system.