The SEALFAST 4" Iron Shank Coupler is engineered for high-performance fluid transfer applications. With a 4" diameter, this coupler provides a secure connection for hoses and pipes, ensuring leak-free operation. Made from durable iron, it offers excellent resistance to wear and corrosion, making it suitable for both indoor and outdoor use. This coupler meets industry standards for quality and safety, making it an ideal choice for agricultural, industrial, and plumbing applications. Its robust construction ensures reliable performance under pressure, making it a must-have for professionals.