O-Ring: According to different working conditions, the materials of o-ring are nitrile rubber, silicone rubber, fluoro carbon rubber, etc. Specification Range: 2.8 mm (Inner Diameter)×1.9 mm (Section Diameter) ~ 499.5 mm (Inner Diameter)×8.4 mm (Section Diameter).
2.8 mm × 1.9 mm ~ 499.5 mm × 8.4 mm .
2.8 mm ×1.9 mm ~ 499.5 mm × 8.4 mm
2.8 × 1.9 ~ 499.5 × 8.4