... power plants, smelting industry, 100% polyester filter bagMaterial: woven fabric and needle felt made in polyester, polypropylene, Nomex, FMS, glassfiber, ... ease of installation and change-out. Generally, dust collector filter bags are designed to be mounted and gasketed ... efficiencies, as well as prolonging service life. Groundwire, anti-collapse rings, and other options can easily be incorporated ...