- Material NBR 70 FKM 70
- 2pcs 5.5×1.5, 1pcs 3×1.5
- For endpeice ST1, ST2, ST1-6 mm
- Quantity 3 pcs
With proper care and grease, these O-rings remain functional during normal seasonal operations in our latitudes for a very long time. Should they need to be replaced we recommend using a hardness of 70 (NBR or FKM). 3 piece O-ring are in the set. One of the end pieces ST1, ST2, or ST1-6 mm can be refitted with the rings of this set.