🔍 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 PXP, EXP – Polypropylene / Polyester Composite Bags, PleatedRead more SEM – Water Absorbent Matrix BagsRead more PPAB – Polypropylene Microfiber Oil Absorbent BagsRead more