The SEALFAST 4" Spring Check Valve with Filter is engineered for efficient fluid control in various applications. This valve features a spring-loaded design that allows for one-way flow, preventing backflow in piping systems. Constructed from durable materials, it offers excellent resistance to wear and corrosion, ensuring longevity in demanding environments. The integrated filter helps to trap debris, protecting downstream equipment from damage. Ideal for use in water transfer systems and industrial applications, this check valve is designed to maintain optimal flow and pressure.