The PER171 from PT International Corp is a Saf Aluminum Seal combined with an O-Ring, designed for effective sealing in various applications. Measuring 8-3/8 inches, this seal provides a reliable barrier against contaminants and leakage, ensuring optimal performance in mechanical systems. The aluminum construction offers excellent resistance to corrosion and wear, making it suitable for both indoor and outdoor use. This product is ideal for engineers and technicians seeking a dependable sealing solution that meets industry standards for quality and performance.