Extension Tube for the Incredibowl i420 Smoking Pipe! You can increase the smoke capacity and make it in an even more comfortable and satisfying hit.
The Incredibowl is the product of countless hours of design, testing, research and development. It claimed 3rd Place in the Best Glass Category in the recent 2009 High Times Cannabis Cup in Amsterdam.
Incredibowl Industries utilize shatterproof polycarbonate which is also used in bullet proof windows.