Descriptions:1. Hardness: Round shape fluorine rubber O-ring, has a hardness of 70A and is designed for use in a wide variety of sealing applications.2. Working Temperature Range: This O-ring can be used over a wide temperature range from -22 (-30 ) to 302 (150 ).3. Advantage: Durable fluorine rubber with resistance to heat, oil, aging, abrasion, ozone, fuel and chemical; Strong sealing and good airtightness.4. Feature: O-ring round in cross-section to provide a seal between overlapping mating surfaces of cylinders. They are commonly seen in engines, flanges, valves and so on.5. Application: Fluorine rubber O-ring provides sealing and prevents leaking for a wide range of applications such as plumbing, machinery, hydraulic and pneumatic repairs, etc.Specifications:Color: GreenMaterial: Fluorine RubberHardness: 70A DurometerOuter Diameter: 15mm / 0.59"Inner Diameter: 11mm / 0.43"Cross-Section Diameter: 2mm / 0.08"Package Contents:1 x Fluorine Rubber O Ring