Specifications include, but are not limited to: A. No substitutions or alternates will be accepted on this IFB. The Night Vision Goggles must meet or exceed, but not be limited to, the following specifications as approved by ASP: 1. New L3Harris GPNVG-18 models only. 2. White phosphor tube technology. 3. Wide panoramic 97° field-of-view image. 4. Multiple helmet and mount configurations, including ANVIS or BNVIS. 5. Detachable individual monoculars that can be used as a covert handheld night vision device. 6. Meets or exceeds military environmental specifications. 7. Incorporates four commercially available 18mm MX-10160 style I2 tubes. 8. History of proven performance by numerous military units and law enforcement personnel under strenuous conditions. B. The L3Harris GPNVG-18 is detailed in the following link and must meet these specifications: Proven Solutions Brochure (l3harris.com)