The Backup Ring (VPK2445) by A & I Products is an essential component for hydraulic seals, designed to prevent extrusion and enhance seal longevity. Made from high-quality materials, this backup ring is engineered to withstand extreme pressure and temperature conditions, making it suitable for various hydraulic applications. Its precise dimensions ensure a perfect fit, providing reliable performance in demanding environments. Ideal for use in agricultural and industrial machinery, this backup ring is a must-have for effective hydraulic system maintenance.