The Franklin Machine Products 117-1449 HrydoBlend™ O-ring 3-1/2" OD is a specialized component designed for use with the 117-1445 HSG cartridge. It features a precise outer diameter of 3-1/2 inches, perfectly crafted to ensure a secure fit and optimal performance. Constructed from high-quality rubber, this black O-ring is engineered to provide reliable sealing capabilities, making it an essential element in maintaining the efficiency and longevity of the HSG cartridge system. The choice of material ensures durability and resistance to wear, allowing it to withstand the demanding conditions often encountered in various industrial applications. This O-ring is specifically tailored to meet the needs of professionals in industries that require precision sealing solutions. Its compatibility with the 117-1445 model highlights its role in ensuring the seamless operation of equipment, thereby offering an indispensable solution for maintenance and repair operations. The Franklin Machine Products 117-1449 HrydoBlend™ O-ring exemplifies a commitment to quality and precision, serving as a critical component in the efficient functioning of machinery that depends on robust sealing mechanisms.