![Amazon.com: Set of 1 NW/KF-25 Aluminum Vacuum Clamps + Aluminum Centering O- rings with FKM/Viton Seal , Vacuum Part : Everything Else Amazon.com: Set of 1 NW/KF-25 Aluminum Vacuum Clamps + Aluminum Centering O- rings with FKM/Viton Seal , Vacuum Part : Everything Else](https://m.media-amazon.com/images/I/51fUftwzXFL.jpg)
Amazon.com: Set of 1 NW/KF-25 Aluminum Vacuum Clamps + Aluminum Centering O- rings with FKM/Viton Seal , Vacuum Part : Everything Else
![Manufacturer's Direct Sales Vacuum Center Support Clamp Sealing Ring Kf Series Vacuum Accessories FKM O-Ring Rubber Sealing Ring - China O-Ring Seal, Rubber Seal | Made-in-China.com Manufacturer's Direct Sales Vacuum Center Support Clamp Sealing Ring Kf Series Vacuum Accessories FKM O-Ring Rubber Sealing Ring - China O-Ring Seal, Rubber Seal | Made-in-China.com](https://image.made-in-china.com/2f0j00FjWhSNRlwZqV/Manufacturer-s-Direct-Sales-Vacuum-Center-Support-Clamp-Sealing-Ring-Kf-Series-Vacuum-Accessories-FKM-O-Ring-Rubber-Sealing-Ring.jpg)
Manufacturer's Direct Sales Vacuum Center Support Clamp Sealing Ring Kf Series Vacuum Accessories FKM O-Ring Rubber Sealing Ring - China O-Ring Seal, Rubber Seal | Made-in-China.com
![Material considerations for O-rings used in vacuum and clean-critical environments - UC Components, Inc. Material considerations for O-rings used in vacuum and clean-critical environments - UC Components, Inc.](https://www.uccomponents.com/wp-content/uploads/2020/10/UC-Social_800x600-Orings3.jpg)
Material considerations for O-rings used in vacuum and clean-critical environments - UC Components, Inc.
![Ideal Vacuum | Replacement O-rings Kit for High Vacuum Valve, Sample-Seal U-Tube Liquid Sample Holder, 2 O-Rings Ideal Vacuum | Replacement O-rings Kit for High Vacuum Valve, Sample-Seal U-Tube Liquid Sample Holder, 2 O-Rings](https://www.idealvac.com/files/images/Glass-U-Tube-2-O-rings-Kit_01.jpg)