Glass Downstems

Glass downstems and diffusers are an essential part of a stem compatible glass waterpipe. Most generally, high quality removable glass downstems and diffusers will be glass on glass and most commonly come in a "14/18" setup (where the inner female joint of the opening is a scientific 14.4mm glass on glass fitting and the outer male joint is a 18.8mm fitting) and an "18/18" setup All glass downstems and glass diffusers for waterpipes, smoking pipes, oil rigs, and other smoking devices available from
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