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Why Filter?
Why use Activated Coconut Carbon?
Why Use Organic Cotton?
Glass Cleaning Tips & Maintenance
Hit Us Up
Home
SI Shop
Triple-Filtered Glass Pipes
Bubblers
Carbon-Filtered Glass Pipes
Dab Rigs
Unfiltered Glass Pipes
Glass for Oil/Concentrates
Carbon Filter Adapters
Accessories
Ash Catchers
Bowls/Slides
Carbon & Cotton
Downstems
Joint Wax
Replacement Parts
SI Fan Wear
Rare & Vintage
SI Education
Glossary
Joint Gender
How to Determine Joint Size
Reports
SI Filtration System
The 411
About Us
Shipping
Account details
Questions?
Why Filter?
Why use Activated Coconut Carbon?
Why Use Organic Cotton?
Glass Cleaning Tips & Maintenance
Hit Us Up
Select options
18mm Female w/18Male Glass Drilled Downstem
$
26.00
Select options
18/14mm Glass Honeycomb Disk Carbon Downstem
$
40.00
Select options
18/14mm Glass Honeycomb Downstem
$
36.00
Select options
18/14mm Glass 4slot Downstem
$
12.00
Select options
18/14mm Glass Drilled Downstem
$
22.00
Select options
18/14mm Glass Carbon Downstem
$
24.00
Rated
5.00
out of 5
How to Measure Your Downstem
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