TAG - 18" Beaker Bong 50x9MM - 28/18MM Downstem (4.50")

Thick Ass Glass

  • $450.00
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TAG – 18" Beaker 50×9MM – 28/18MM Downstem

Heavy Build. Premium Diffusion. Optimized Airflow.

The TAG 18" Beaker 50×9MM – 28/18MM Downstem represents a perfected balance of power, durability, and precision function. Built from ultra-thick 9MM borosilicate glass, it’s designed to handle daily use while providing a clean, open draw. The upgraded 28/18MM removable downstem system allows for larger diffuser options and increased airflow, giving this beaker a high-end performance edge.


Key Features

💨 28/18MM Removable Downstem System – Larger joint opening supports advanced diffuser styles like the Super Slit or Double UFO for optimized performance.

🧱 50×9MM Borosilicate Glass – Extra-thick glass provides superior durability and stability.

⚙️ Reinforced Super Thick Joint – Engineered for long-term strength and secure fitment during use and cleaning.

❄️ Ice Pinches – Stack ice above the chamber for smooth, cooled draws without restricting airflow.

🔩 Premium Accessories Included – Typically includes a TAG Super Slit Downstem and a Pinched Screen Slide for balanced function.

🪶 Chamfered Beaker Base Edge – Designed to improve impact resistance while maintaining TAG’s signature profile.


Performance Overview

This 18" beaker combines robust diffusion with classic ease of use. The Super Slit Downstem produces dense, consistent bubble action while maintaining fast clearing and high airflow. The 9MM glass build gives the piece serious weight and strength, while the 28MM joint system adds versatility and cleaning convenience — a true daily driver for those who prefer solid, high-function glass.


Downstem Fitment Note

Beaker joint depth may vary slightly between units (±¼–½").
Always measure your existing downstem before purchasing a replacement.
👉 TAG Downstem Sizing & Measurement Guide


Made To Order (MTO)

Want a different color, logo, or glass accent variation?
TAG’s Made To Order program lets you request nearly any configuration from the TAG catalog.
👉 Learn More – Made To Order (MTO)


Free 2-Year Limited Warranty

Qualifying 1st Quality TAG glass purchased from thickassglass.com or shop.thickassglass.com on or after October 15, 2026 includes a Free 2-Year Limited Warranty. One eligible replacement within two years after delivery is 65% off MSRP (you pay 35% of MSRP), plus shipping & handling. Quartz, lower-grade items and other brands are excluded. Full warranty terms and earlier paid-plan coverage.

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