Sterling Seal OREPD428x250 O-Ring, Number-428 Standard is Good for Steam (400 Degree F), Hot Water, Sunlight, Silicone Oils and Greases, EPDM/EPR/EP, 4-7/8" ID, 5-3/8" OD (Pack of 250): Amazon.com: Industrial & Scientific
EPR O- Rings & Seals - EPDM O Rings & Seals - ASTM Standard D-1418 Oring | Rocket Seals, Inc.
Sterling Seal and Supply (STCC) OREPD278 O-Ring, Number-278 Standard is Good for Steam (400 Degree F), Hot Water, Sunlight, Silicone Oils and Greases, EPDM/EPR/EP, 12" ID, 12-1/4" OD: Amazon.com: Industrial & Scientific
AF175-KIT - EPR O-RINGS -3 to -20AN PK
1406-3347-000 Datex-Ohmeda O-RING, 7.59 MM ID, 12.83 MM OD, 2.62 MM THK, ETHYLENE PROPYLENE RUBBER, 90 DURO HARDNESS, 2.62 MM : PartsSource : PartsSource - Healthcare Products and Solutions