Fan Filter Assembly, Pu Foam, 179.3Mm; Fan Frame Size:179.3Mm; For Use With:Orion Fans Od172, Oa162, Oa172 Series 172Mm Axial Fans; Fixing Centers:162Mm; Filter Material:Pu (Polyurethane) Foam; Product Range:Grm172 Series Rohs Compliant: Yes |Orion Fans GRM172-45