Airfuge Air-Driven Ultracentrifuge - Kansas City VAMC. This is a Total Small Business Set-Aside. The NMR "Exception" is applicable. This is a Brand Name only procurement. Vendor must be an authorized ... Airfuge Air-Driven Ultracentrifuge - Kansas City VAMC. This is a Total Small Business Set-Aside. The NMR "Exception" is applicable. This is a Brand Name only procurement. Vendor must be an authorized distributor. Submit your Authorized Distributor Letter from the OEM with your quote. All requirements must be submitted as instructed in "Addendum to 52.212-1 Instructions to Offerors," Section E.2 to be Considered Responsive.