Chongz Art Glass Diffuser Downstem – 18mm to 14mm Glass Stem (9.5cm & 11.5cm)

Upgrade your setup with the Chongz Art Glass Diffuser Downstem, designed to deliver smoother, cleaner and more enjoyable hits every time. Whether you’re replacing a broken downstem or enhancing your current bong, this premium glass stem is built for performance and style.

Smooth Diffusion for Better Hits

Featuring precision-cut diffuser slits, this downstem breaks smoke into fine bubbles for improved filtration and cooling. The result? Smoother draws, enhanced flavour retention, and a noticeably cleaner smoking experience.

Premium Art Glass Design

Each stem includes:

• A sleek black reinforced top for a secure fit
• Unique random colour art-glass swirls
• A transparent body for easy monitoring and cleaning

No two pieces are exactly the same, giving your bong a distinctive and premium look.

Universal Fit & Durable Build

• Joint Size: 18mm (fits 18mm female joints)
• Bowl Compatibility: 14mm male bowls
• Available Lengths: 9.5cm & 11.5cm
• Made from high-quality borosilicate glass for durability and heat resistance

This makes it an ideal replacement downstem for 18mm bongs, offering reliable compatibility without hassle.

Easy to Clean & Maintain

The clear glass design allows you to see when cleaning is needed, and the smooth interior makes maintenance quick and simple. Keep your bong performing at its best with minimal effort.

Why Choose Chongz?

Chongz is one of the UK’s leading bong brands, known for quality craftsmanship and innovative glass accessories. This art glass diffuser downstem combines function, durability and style — making it a must-have upgrade for any serious smoker.