Glass Express USA
White Rhino 14mm Male to 18mm Female Glass Adapter – Joint Converter
White Rhino 14mm Male to 18mm Female Glass Adapter – Joint Converter
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🔄 Make Your Bong More Compatible – White Rhino 14mm to 18mm Adapter
Need to connect a larger bowl or accessory to a smaller bong? The White Rhino 14mm Male to 18mm Female Glass Adapter has you covered. This precision-crafted joint converter lets you use 18mm bowls, nails, and attachments on any water pipe or rig with a 14mm female joint.
Made from high-quality borosilicate glass, this adapter delivers a clean, airtight seal so you never lose airflow or flavor. It’s perfect for users who want flexibility without needing to switch entire setups.
📏 Product Specs
- Brand: White Rhino
- Joint Sizes: 14mm Male to 18mm Female
- Material: Borosilicate Glass
- Color: Clear
- Compatibility: Fits 14mm female bongs; accepts 18mm male accessories
🔥 Why Choose This 14mm to 18mm Glass Converter
- Versatile Fit: Converts 14mm male joints to accept 18mm female accessories
- Trusted Brand: Made by White Rhino, known for durable and reliable smoking accessories
- Glass-on-Glass Precision: Creates a seamless seal with no wobble or leakage
- Borosilicate Glass: Strong, heat-resistant, and built to last
- Low-Profile Design: Keeps your setup clean and compact
💡 Use It Your Way
Whether you're upgrading to a bigger bowl, using a nail that doesn’t match your current rig, or just expanding your setup options, this adapter adds instant compatibility without breaking the bank.
✅ Why Buy From Glass Express USA?
- 🏆 Over 16,000 happy customers and counting
- 🚚 Fast shipping from Pennsylvania — no long waits
- 🧪 Quality glass, hand-packed and securely shipped
- 🛍️ Trusted source for name brands like White Rhino
💬 FAQs
Q: Will this let me use an 18mm bowl on a 14mm bong?
A: Yes! This adapter plugs into a 14mm female joint and allows you to use 18mm male bowls or attachments.
Q: Is the fit snug and airtight?
A: Absolutely — the glass-on-glass connection is smooth, secure, and leak-free.
Q: Is this made of strong glass?
A: Yes, it’s made from thick borosilicate glass that resists heat and cracking.
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Let customers speak for us
from 15 reviewsFuckin love it thank you so much. I literally can't fine bowls like this anywhareeeeee

I really like it

Perfect bowl size for a good session

Nice heavy piece deep bowl.

i got blue

got this in my mystery box, its cool

nice pieces, worth it i think

i got purple, i like it. thanks.

not bad, id recommend to my friends. thanks for fast shipping.

Just like any other 9mm downstem, but this one is HARD TO BREAK. Should last my life.

This glass downstem fits like a charm. Highly recommend for anyone looking to upgrade their bong stem.

Cant say much more, it fit perfect and came FAST!!!

came pretty quick, would have been here in 2 days if it wasn't the weekend. I will be back to buy more.


