... felt made in polyester, polypropylene, Nomex, FMS, glassfiber, PTFE Dust collectore bag1. Served industriesCoal industrycement industry, asphalt industry, , ... ensure ease of installation and change-out. Generally, dust collector filter bags are designed to be mounted and gasketed ... clamp to ensure dust type seal.coatings and finishes can be applied to either side of the dust collector bag to enhance ...