14mm Male to 18mm Male Glass Adapter

14mm Male to 18mm Male Glass Adapter
14mm Male to 18mm Male Glass Adapter
14mm Male to 18mm Male Glass Adapter
14mm Male to 18mm Male Glass Adapter

14mm Male to 18mm Male Glass Adapter

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14mm Male to 18mm Male Glass Adapter
This premium 14mm male to 18mm male glass adapter (also known as a step-up male-to-male connector or expander) is a versatile accessory that lets you join two female-jointed pieces of different sizes. It bridges the gap between 14mm female and 18mm female joints, making it easy to connect, extend, or combine glass components in your dab rig, bong, or water pipe setup.
Key Features:
  • Dual Male Joints: One precision 14mm male joint and one robust 18mm male joint, both expertly ground for secure, leak-free connections.
  • High-Quality Borosilicate Glass: Made from thick, durable borosilicate glass that resists thermal shock and handles high temperatures from torches, e-nails, and heavy dabbing sessions.
  • Compact & Sturdy Design: Short, low-profile construction (typically 2–2.75 inches in length) adds minimal extra height while keeping your setup stable and balanced.
  • Reliable Size Conversion: Effectively steps up from 14mm to 18mm, allowing smooth airflow with minimal drag.
Common Uses:
  • Connect a 14mm female accessory (such as an ash catcher, recycler, or percolator) to an 18mm female joint on your main rig.
  • Link two different-sized female glass pieces together for custom builds.
  • Extend or upgrade your current setup by combining smaller and larger components.
  • Create multi-chamber rigs or attach additional filtration pieces with mismatched joints.
  • Use as a sturdy connector for whips, adapters, or other male-jointed attachments.
This straightforward and dependable male-to-male adapter is perfect for both beginners and seasoned enthusiasts. It instantly increases compatibility across your glass collection and helps you build the exact rig configuration you want.
Material: Thick borosilicate glass
Joint Size: 14mm Male to 18mm Male
Perfect for: Bongs, dab rigs, ash catchers, recyclers, water pipes, and custom glass setupsExpand your setup possibilities and improve compatibility with this essential step-up connector!
We currently only deliver to the UK.
All items despatched Sameday if ordered before 2pm (Mon-Fri)
  • Standard delivery for orders under £40 is £2.99. 
  • We offer free standard delivery on all orders over £40.  
  • Tracked Postage is free on all orders over £100. In most cases, if ordered before 2pm, the item will be shipped for next working day delivery.
  • Royal Mail TRACKED 24 is available for orders less than £100 for £5.95


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