Brand Name Only - Surfacide Helios UV-C Microbial Reduction Philadelphia VA Medical Center. This is an unrestricted procurement. See attachments for full details. Vendors MUST read the solicitation in... Brand Name Only - Surfacide Helios UV-C Microbial Reduction Philadelphia VA Medical Center. This is an unrestricted procurement. See attachments for full details. Vendors MUST read the solicitation in its entirety. Carefully read the Instructions to Offerors section located at the beginning of Section E.