Manufacturer Varies O-Ring,EPDM,Black,PK25 GR-E70345/25

O-Ring, Not Metal Detectable Metal Detectable, Not X-Ray Detectable X-Ray Detectable, System of Measurement Inch, Cross Section Shape Round, O-Ring Material EPDM, Durometer (Hardness) Rating Medium Hard, Nominal Inside Dia. 4 in, Nominal Width 3/16 in, Actual Inside Dia. 3.975 in, Actual Width 0.21 in, Dash Number 345, Color Black, Durometer 70A, Meets/Exceeds ASTM D2000, EPDM 70, Nominal Outside Dia. 4 3/8 in, Actual Outside Dia. 4.395 in, FDA Approved Not FDA Compliant, Application Standard