If there were no pipe screens and you loaded your heady glass bowl with weed and sparked it up you’d inhale a bunch of gnarly detritus from the buds. The screen is what prevents that from happening. Most pipe screens are made of brass or stainless steel, although in some high-end bongs, the screen may be fashioned from something exotic like titanium or quartz. Without pipe screens, smoking herb would be a decidedly different experience than it is now. So we’ve put together this short guide in order to give some props to the humble screen.