Fluorine Rubber O Rings, 28mm OD, 21mm Inner Diameter, 3.5mm Width, Seal Gasket Green 5 Pcs

Descriptions:
1.Made of fluorine rubber which has heat, fuel, and chemical resistance.
2.Prevent leaks in plumbing, machinery, hydraulic, and pneumatic repairs, etc.
3.Can be used across a wide temperature range from -22鈩 (-30鈩) to 302鈩 (150鈩).