TAG – 5 Arm Tree Open End Downstem
TAG – 5 Arm Tree Open End Downstem (18/14MM or 18/18MM)
Maximum Diffusion. High Airflow. Classic Tree Perc Feel.
The TAG 5 Arm Tree Downstem is a premium diffusion upgrade designed for smooth, low-drag pulls with a classic “tree perc” bubble stack. Featuring five reinforced tree arms for increased surface area and filtration, this downstem delivers excellent cooling and diffusion without choking airflow.
The open-end design allows for a full clear when finishing your hit and helps reduce clogging by allowing debris to exit more easily during cleaning.
Key Features
🌲 5 Arm Tree Diffusion System
Multi-arm design increases diffusion and bubble stacking for smoother hits.
💨 Open-End Downstem Design
Improves clearing airflow and helps reduce buildup and clogging over time.
🧱 Thick Borosilicate Glass Construction
Built tough for long-term durability and daily use.
⚙️ Multiple Joint Connection Options
Available in common downstem configurations to match your setup:
-
18/14MM accepts 14MM male slides/accessories
-
18/18MM accepts 18MM male slides/accessories
📏 Multiple Insert Length Options
Available in a wide range of insert lengths to fit different beakers and straight tubes.
✴️ Laser Engraved Logo
Clean, solvent-safe marking preferred over printed labels.
Downstem Measurement Note
Downstems are measured by insert length and are handmade.
Always measure your current downstem before ordering a replacement.
👉 Downstem Sizing and Measurement Guide
Made To Order (MTO)
Need a specific joint configuration or insert length not currently listed?
👉 Made To Order (MTO)
Optional 2-Year Warranty
Add protection at checkout. If it breaks, TAG replaces it once (just pay shipping).
👉 Warranty Protection Plan
Product Information
Product Information
Shipping & Returns
Shipping & Returns






















TAG – 5 Arm Tree Open End Downstem
TAG – 5 Arm Tree Open End Downstem
TAG – 5 Arm Tree Open End Downstem (18/14MM or 18/18MM)
Maximum Diffusion. High Airflow. Classic Tree Perc Feel.
The TAG 5 Arm Tree Downstem is a premium diffusion upgrade designed for smooth, low-drag pulls with a classic “tree perc” bubble stack. Featuring five reinforced tree arms for increased surface area and filtration, this downstem delivers excellent cooling and diffusion without choking airflow.
The open-end design allows for a full clear when finishing your hit and helps reduce clogging by allowing debris to exit more easily during cleaning.
Key Features
🌲 5 Arm Tree Diffusion System
Multi-arm design increases diffusion and bubble stacking for smoother hits.
💨 Open-End Downstem Design
Improves clearing airflow and helps reduce buildup and clogging over time.
🧱 Thick Borosilicate Glass Construction
Built tough for long-term durability and daily use.
⚙️ Multiple Joint Connection Options
Available in common downstem configurations to match your setup:
-
18/14MM accepts 14MM male slides/accessories
-
18/18MM accepts 18MM male slides/accessories
📏 Multiple Insert Length Options
Available in a wide range of insert lengths to fit different beakers and straight tubes.
✴️ Laser Engraved Logo
Clean, solvent-safe marking preferred over printed labels.
Downstem Measurement Note
Downstems are measured by insert length and are handmade.
Always measure your current downstem before ordering a replacement.
👉 Downstem Sizing and Measurement Guide
Made To Order (MTO)
Need a specific joint configuration or insert length not currently listed?
👉 Made To Order (MTO)
Optional 2-Year Warranty
Add protection at checkout. If it breaks, TAG replaces it once (just pay shipping).
👉 Warranty Protection Plan
Original: $26.00
-65%$26.00
$9.10Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
TAG – 5 Arm Tree Open End Downstem (18/14MM or 18/18MM)
Maximum Diffusion. High Airflow. Classic Tree Perc Feel.
The TAG 5 Arm Tree Downstem is a premium diffusion upgrade designed for smooth, low-drag pulls with a classic “tree perc” bubble stack. Featuring five reinforced tree arms for increased surface area and filtration, this downstem delivers excellent cooling and diffusion without choking airflow.
The open-end design allows for a full clear when finishing your hit and helps reduce clogging by allowing debris to exit more easily during cleaning.
Key Features
🌲 5 Arm Tree Diffusion System
Multi-arm design increases diffusion and bubble stacking for smoother hits.
💨 Open-End Downstem Design
Improves clearing airflow and helps reduce buildup and clogging over time.
🧱 Thick Borosilicate Glass Construction
Built tough for long-term durability and daily use.
⚙️ Multiple Joint Connection Options
Available in common downstem configurations to match your setup:
-
18/14MM accepts 14MM male slides/accessories
-
18/18MM accepts 18MM male slides/accessories
📏 Multiple Insert Length Options
Available in a wide range of insert lengths to fit different beakers and straight tubes.
✴️ Laser Engraved Logo
Clean, solvent-safe marking preferred over printed labels.
Downstem Measurement Note
Downstems are measured by insert length and are handmade.
Always measure your current downstem before ordering a replacement.
👉 Downstem Sizing and Measurement Guide
Made To Order (MTO)
Need a specific joint configuration or insert length not currently listed?
👉 Made To Order (MTO)
Optional 2-Year Warranty
Add protection at checkout. If it breaks, TAG replaces it once (just pay shipping).
👉 Warranty Protection Plan
























