Manufacturer page.

The USG™ Donn® Brand Fineline® 1/8 DXFF™/DXFFH™ Acoustical Suspension System is roll formed with a hot dipped galvanized body, and a painted cap. The system is generally used to suspend acoustical ceiling tiles and/or metal panels. It is manufactured by USG in Stockton, CA, and Westlake, OH. It is tested in accordance with ASTM C635 Standard Specification for the Manufacture, Performance, and Testing of Metal Suspension Systems for Acoustical Tile and Lay-in Panel Ceilings. This EPD covers the USG™ Donn® Brand Fineline® 1/8 DXFF™/DXFFH™ profile. The USG™ Donn® Brand Fineline® 1/8 DXFF™/DXFFH™ Acoustical Suspension System is covered by the following Construction Specification Institute (CSI) MasterFormat® codes. 09 22 26.23 Metal Suspension System 09 53 00 Acoustical Ceiling Suspension System 09 53 23 Metal Acoustical Ceiling Suspension Assemblies 09 54 36 Suspended Decorative Grids Corresponding applicable UNSPSC codes include: 25172000 Suspension System Components