The Dichtomatik OR 21.955 0.275" 75 EPDM E750FM from Freudenberg-NOK is a high-quality O-ring designed for optimal sealing performance. Made from EPDM (Ethylene Propylene Diene Monomer), this O-ring is resistant to heat, ozone, and various chemicals, making it suitable for outdoor and industrial applications. With a diameter of 21.955 mm and a cross-section of 0.275 inches, it provides a reliable seal in hydraulic and pneumatic systems. The E750FM grade ensures excellent flexibility and durability, making it a preferred choice for engineers looking for long-lasting sealing solutions.