Steel RAL 7035 Stainless Steel for filterfans 10000 and 20000 HPR 20000 18112000000 18112000001 for filterfans 30000 and 40000 HPR 40000 18112000002 18112000003 for filterfans 60000 HPR 60000 18112000004 1 [...] three different sizes in two designs, which can be combined with our Pfannenberg fourth generation filterfan portfolio (PF 11.000 - PF 67.000). Very shallow depth, thus less space required to the outside. [...] easily replaced. With UL certification. With IP X6 and NEMA 1, 12, 3R, 4X - in connection with filterfan. In addition to the standard stainless-steel version, Pfannenberg also offers a powder-coated steel