The Black Leaf features a 20 slit showerhead diffuser. This pre cooler has a 90° attachment which will fit on most fixed stem pieces with a straight up and down attachment.
These are great for not only catching ash and keeping your bong much cleaner but also act as an additional percolator in that it will help to cool and smooth your smoke.
Nice size and solid piece. It took a little bit to find a sweet spot with the water level but once you do it's very smooth and does a very good job of catching the ash.
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