Description 4 inch Stainless Steel Tri Clover elbow. 90 degree. EG2C4.0 Used in milking systems and food processing systems. meets Grade A and FDA specs. made of 304 stainless steel 3A approved 4 inch refers to the tubing diameter. the size of the fittings on the end is approx 4 5/8 inch OD March 2026