TAG - 18/14MM Open End Bong Downstem - 6 Row x 3 (54 Hole) Multiplying Super Slit

TAG – 18/14MM Gridded Super Slit Downstem (Open End)

Precision Diffusion. Scientific Design. Premium Feel.

This TAG Gridded Super Slit Downstem represents the pinnacle of engineered diffusion. Featuring 6 rows of triple-slit grids (54 total openings), it delivers ultra-smooth airflow and refined bubble stacking for effortless draws and high-end performance.

Each slit is precision-shaped and supported by structural joiner rods (“multiplying rods”), creating a striking scientific appearance while reinforcing the downstem for strength and balance.

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Key Features

• 🔬 6 Row x 3 Grid Layout (54 Total Openings) – Exceptional diffusion with uniform bubble stacking and smooth airflow.

• 💨 Open-End Design – Allows full airflow when clearing your hit and helps debris exit freely, reducing clogging and maintenance.

• 🧱 Thick Borosilicate Glass Construction – Designed for long-term durability and reliability.

• ⚙️ 18/14MM Joint System – Fits standard 18MM female joints on beakers and straight tubes, and accepts a 14MM male slide.

• ✴️ Laser Engraved Logo – Clean, solvent-safe marking preferred over printed color labels.

• 💎 High-End Scientific Look – A premium downstem with precision detailing, similar to diffusion systems often priced over $100.

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Downstem Measurement Note

Each TAG downstem is handmade and measured by insert length.
Always confirm your beaker’s fitment before purchasing — even minor length differences can affect seating depth and performance.
For detailed measurement instructions, visit:
👉 TAG Downstem Sizing & Measurement Guide

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Why You’ll Love It

The Gridded Super Slit Downstem isn’t just an accessory — it’s a performance upgrade. Its grid pattern activates dozens of microbubbles for balanced, high-efficiency diffusion, while the open-end design ensures quick, unrestricted clearing and clog-free use. Built tough and engineered for airflow perfection, it transforms any standard setup into a true scientific performer.

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Made To Order (MTO)

Need a custom joint size or specific insert length?
TAG’s Made To Order program lets you order any downstem variant to your exact preference.
Learn more: 👉 Made To Order (MTO)

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Optional 2-Year Warranty

Protect your investment with TAG’s 2-Year Warranty Plan — if it breaks, we replace it once (just pay shipping).
Learn more: 👉 Warranty Protection Plan