🔍 Home Filter Bags PPE & PEE Felt Bags – Extended Class PPE & PEE Felt Bags – Extended Class Description Primary filter layer is made of non-singed media, leaving all pore openings on the felt unblocked, effective in slowing down the premature formation of filter cake, thus successfully extend filter’s service life. Download PDF Contact Us Related products NLM, PEM & PPM Felt Bags – Standard ClassRead more PXP, EXP – Polypropylene / Polyester Composite Bags, PleatedRead more APM, APM-S & AHM Series Absolute Filter BagsRead more