Jane West x TAG – 18/14MM Closed End Rounded Super Slit Showerhead Downstem

Smooth Pull. Consistent Diffusion. Premium Closed End Function.

The Jane West x TAG Closed End Rounded Super Slit Showerhead Downstem is a refined performance upgrade built for smooth, controlled airflow and reliable diffusion. The closed end design helps create a consistent draw with less chug, making it an excellent choice for shorter beakers and compact setups where splash control and stability matter.

Featuring TAG’s high density Super Slit showerhead design, this downstem activates multiple slit openings during use for balanced diffusion without restricting airflow.

Available in multiple color variations.

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Key Features

💨 Super Slit Showerhead Diffusion
High slit density creates smooth, even diffusion with an optimized airflow to diffusion ratio.

🧊 Closed End Design
Produces a more consistent pull and helps reduce splashback during clears.

🧱 Thick Borosilicate Glass
Built for long term durability and daily use.

⚙️ 18/14MM Joint System
Fits standard 18MM female joints and accepts a 14MM male slide.

🔧 Rounded Tip Profile
Rounded end improves fitment consistency and helps guide airflow smoothly into the chamber.

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Downstem Measurement Note

Downstems are measured by insert length and are handmade, so sizing can vary slightly.
Always measure your current downstem before ordering a replacement.
👉 Downstem Sizing and Measurement Guide

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Made To Order (MTO)

Need a different insert length, joint size, or style variation
TAG can often produce custom versions through the MTO program.
👉 Made To Order (MTO)

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Optional 2 Year Warranty

Add protection at checkout. If it breaks, TAG replaces it once and you only cover shipping.
👉 Warranty Protection Plan