The 3/8" Compression x 1/2" MPT In-Tank Check Valve from MIDWEST CONTROL is designed to prevent backflow in fluid systems, ensuring efficient operation. This valve features a durable construction that withstands high pressures, making it suitable for various applications. The compression and MPT connections provide versatility for installation in different setups. Ideal for use in tanks and other fluid storage systems, this check valve is essential for maintaining system integrity and preventing contamination. Its reliable performance makes it a valuable addition to any plumbing or industrial application.