Black Friday deals from Best Buy are usually posted in November when their Black Friday Flyer is released. Meanwhile, you can see Black Friday Deals from 2016 season (from last year) by clicking below. Checkout all BestBuy Black Friday Deals.
Fumes are harmful more because of what they do to the brain and your body overall, but the biggest dangers of breathing in fiberglass is that the fibers from the insulation can make their way into your lungs.
The lung flute, like its name, looks like a small flute. Breathing through it causes vibrations in your airways that loosen secretions making them easier to cough up. The Quake works on much the same principal other than that the patient turns a small handle to vary the vibration.