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18 mm joints

Every 18 mm part we have, sorted by the joint it goes on. Female joints come first, then male. Not sure which you have? Here's how to check.

Female joint

A female joint is the hole the bowl goes into. An 18 mm female joint takes 18 mm male bowls and ash catchers.

Bowls 6

Ash catchers 2

Pick the angle that matches your joint: 45° for a slanted joint, 90° for an upright one.

Ash catcherJointFrom
5" Clear Showerhead Ash Catcher18 mm male, 90°$29.99
5" Spiral Color Shower Head Ash Catcher18 mm male, 90°$31.99

Male joint

A male joint sticks out, and the bowl slides over it. An 18 mm male joint takes 18 mm female bowls.

No 18 mm female bowls in stock right now.

More 18 mm bowls 2

Check the photos before you buy: if the frosted glass is on the outside of the stem, it's a male bowl.

More bongs and bubblers with an 18 mm joint 1

Check whether the joint is male or female before you pick a bowl: a female joint is a hole, and a male one sticks out. How to tell

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