CPF PF4T 2-Stage Filtration System, Filter, Textile Machinery Part. 1. Application: Already been widely used for PSF, Polyester Filament Yarn, POY, FDY, DTY, Nylon(PA,PA6, PA66, PA11), PP, Non-Woven Fabrics(Spun-bonded & Melt-blown), Composite Chemical Fiber(Nylon and Polyester), BOPET Film. 2. Advantages: ..