The 1-1/4" MNPT Inlet x 1-1/4" FNPT Outlet Lead-Free Brass Check Valve from STRATAFLO PRODUCTS is designed for safe and efficient fluid control. This valve features a Buna-N rubber poppet for reliable sealing and durability. Its lead-free brass construction ensures compliance with safety standards, making it suitable for potable water applications. The MNPT and FNPT connections provide versatility in installation, ensuring compatibility with various piping systems. This check valve effectively prevents backflow, maintaining the integrity of your fluid systems.