A bong cools and filters smoke through water, which is why a hit that would scrape your throat out of a pipe goes down smooth out of glass. The shape you pick changes how it hits: straight tubes deliver fast and hard, beakers hold more water and hit smoother, percolators trade a little airflow for a lot of diffusion.
Everything here is a complete water pipe with a bowl unless the listing says otherwise. Prices run from silicone travel pieces to thick-glass scientific tubes.
A straight tube bong has a uniform cylinder: less water volume, faster clearing, and a punchier hit — the choice if you like ripping a chamber in one pull. A beaker's cone base holds more water and more smoke, so the hit is smoother and bigger but takes longer to clear. Beakers are also far more stable on a table, which matters more than people admit.
A percolator is any extra chamber that breaks smoke into smaller bubbles. Tree and showerhead percs give heavy diffusion; honeycomb percs are smooth with low drag; matrix percs are the smoothest and the hardest to clean. Every perc you add increases resistance — two is plenty for most people.
3mm glass is entry-level and chips easily. 5mm and up survives real life. For height, 12–16 inches is the practical sweet spot: enough chamber for a full hit, short enough to clear and to store somewhere that isn't the middle of the room.
Ice pinches let you drop cubes in the tube for a cold hit — worth it if you cough easily. An ash catcher keeps resin out of the bong and cuts cleaning time in half. Silicone bongs are unbreakable, dishwasher-safe, and the honest answer for anyone who travels or has a hardwood floor.
Beaker BongsStraight Tube BongsPercolator BongsSilicone BongsBowlsAsh Catchers