Interesting Engineering on MSN
In-ear headphone filters show how much debris builds up inside your ear canal
Small mesh filters fitted inside in-ear monitors trap earwax and debris before it reaches the driver — the used filters shown ...
The PC Racing Flo Oil Filter is a beautifully machined billet aluminum case with a reusable stainless mesh filter. The filter is claimed to have 200% more filter capacity than disposable media types ...
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