Unscrew the showerhead and locate the flow restrictor, which is a round plastic disk with small holes that allow water to pass through. Remove it carefully to avoid damaging the bit or the plumbing.

Perc bongs come in all shapes and sizes, but there are a few standard ones you'll find in most smoke shops. Some bongs may have multiple percs that work together to provide an enhanced smoking ...

Showerhead Perc Straight Bong Onto the land of percolator, or perc, that'll further chill and filtrate the smoke after it goes through the downstem.