This is the old-school classic clear replacement slide for the standard 12mm slide downtube. This is not a glass-on-glass ground joint accessory. This will not fit in a 14mm or 18mm glass-on-glass downstem. Comes in a standard 3 to 3.5 inch length. Each slide bowl comes with a black O-ring for an air-tight seal.
Brand: Ozium
This 14mm clear funnel water pipe bowl is made from borosilicate.
Brand: Mushroom
Brand: Fashion Craft
