1.57inch/40mm Fan Dust Filter PC Cooler Fan Filter Dustproof Cover Computer Case Mesh 4PCS

Application range: indoor -10- +55, protection grade; IP54 ABS resin material , fireproof and heatproof. Nylon Fan Filter, up to 89% dust-proof efficiency. Simple installation , can be recleaned many times.This dust cover can also help reduce noise. Please note: no screws, please use your fan 's screws.