The Corsair and Fractal cases I've had/have come with filters that use this fine nylon mesh. I see the same material used as pre-filters for air cleaners. The stuff you can easily get online for PC ...

Running your furnace, central air, or heat pump probably constitutes a big part of your utility bill. But it’s a small, often inexpensive part—the air filter—that keeps these heating and cooling ...

Adding a third layer to cloth face masks is now recommended for preventing the spread of COVID-19. Non-woven polypropylene fabric is the material of choice for this third layer, but many people may ...