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Using Surgical Mask as Dust filter. I live in India where my PC used to get dusty fast. Now I cut the surgical mask and seperate its layers and use them as
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TouchGuard 3 Ply Type IIR Disposable Earloop Face Masks, Dust Protection, Breathable Masks with Nose Clip, pack of 50 : Amazon.co.uk: Business, Industry & Science
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