A screen is just something to block the little hole in the bottom of your bowl so the weed doesn't get sucked through. They make metal and glass ones but a small pebble from your driveway should work almost as well
CaptainDank Reviewed by CaptainDank on . Screens?! What are screens and what are they used for? And does anyone have a picture of one? i kinda have a view of what it is and what its about but it doesnt hurt making sure right? :thumbsup: thanks Rating: 5