Fan Filter Assembly, Pu Foam, 40Mm; Fan Frame Size:40Mm; For Use With:Orion Fans Od4010, Od4020, Od4028 Series 40Mm Axial Fans; Fixing Centers:32Mm; Filter Material:Pu (Polyurethane) Foam; Product Range:Grm40 Series Rohs Compliant: Yes |Orion Fans GRM40-45