DUST FILTER C50IN for cooling units from Wine Corner
EMC dust filter ventilation panels
FP120 - Ebm-papst - Fan Filter Media, Pack 5, 119 mm
CM Computer Case Fan Dust Filter PC Mesh Filter Cover Grills with Magnetic Frame, Black Color (240 x 120 mm (2 Pcs)) : Amazon.in: Computers & Accessories
Test: Nylon vs. plastic dust filter. Which restricts fans less? - HWCooling.net