This downpipe is compatible with all glass bongs that have a 29.2 mm joint diameter.

The bowls side is an open socket with an 18.8 mm diameter which makes removing the bowl to clean or empty very easy.

Please note, measurements are taken from the top of the joint section to the bottom of the pipe.

Buy 29.2 to 18.8 Grace Glass 6-Arm Downpipe

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