Bong Bowls with built-in Screen - NYVapeShop

These custom bong bowls are available in a wide range of colors and all feature the high quality design of a built in glass screen to maximize airflow and to keep dry herbs from being sucked down into the water.

Built-in Glass Screen bowl for 14 mm joint — Bong Outlet.Com

14mm Flower Bowl With Built In Multi Hole Screen

Heat Resistant Bong Bowl Piece - NYVapeShop

14mm Flower Bowl With Built In Multi Hole Screen

Onyx Invincibowl

NY Vape Shop

Clear Waterpipe Bowl with Built-In Screen - 14mm – Smoke Station

What can I use for a homemade bong stem? - Quora

Glass Bong Bowls Mary Jane's HQ – Tagged Built In Screen – Mary Jane's Headquarters

Bong Bowls – Invincibowl

Large Waterpipe Bowl with Built-In Screen - 14mm – Smoke Station

Custom Hand Blown Glass Bong Bowl - NYVapeShop

Honeycomb Bowl w/ Built-in Screen - 19mm Male