These Buna-N O-rings are made and bagged in an ISO Class 7 (Fed. Std. 10,000) clean room.

These are the highest purity chemical-resistant O-rings we offer. They are made and bagged in an ISO Class 7 and Fed. Spec. Class 10,000 clean room, plus they’re USP VI certified; not for use in medical applications.

These gaskets meet Fed. Std. Class 10,000 and ISO Class 7 clean room requirements.

These gaskets meet Fed. Std. Class 10,000 and ISO Class 7 clean room requirements.