The panel filter PF9 is made from a folded, glass fiber-free filter material. Filter material and frame made entirely of polypropylene with progressive depth filtering, water-repellent, with antimicrobial properties. The filter material is inherently stable. A restriction of the effective filter area due to additional stiffening is avoided. Filter class F9 Suitable for VDI 6022 We would be happy to create a personal offer for you on Ebay. You can find accessories items in our shop