different sizes in two designs , which can be combined with our Pfannenberg fourth generation filterfan portfolio (PF 11.000 - PF 67.000). PRODUCT BENEFITS Very shallow depth , thus less [...] 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