Bowden Couplers
Bowden Couplers
Join two Bowden tubes seamlessly for extended reach and flexibility in your setup.
🔧 Ensures a secure, smooth connection between tubes.
🛠️ Simple installation with a tight, reliable fit.
⚙️ Compatible with standard 4mm outer diameter Bowden tube
Couldn't load pickup availability


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Technical Specs:
For 4mm outside diameter Bowden tube.
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What's Included:
Bowden Couplers (x2)
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Shipping Details:
- Shipping is currently limited to the US and Canada.
- FREE SHIPPING to lower 48 States for orders over $100.
- Track your order status anytime through your account.
Other Resources

Free CAD File Download
Want to use CAD files to plan out your next project or adapter design? Visit our GitHub to download FREE CAD FILES.

Free Adapter STL Downloads
Some 3D Printers may need adapters to work with the S1. Our GitHub has free STL downloads for adapters that we have personally verified here at Infinity Flow.

S1 Compatibility Guide
Discover which 3D printers work best with the Infinity Flow S1. This guide covers setup tips, adapter recommendations, and best practices to ensure smooth operation.
Order the S1
Pre-order - S1 - Automatic Filament Loader










Replacement Parts
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1 kg Side Set
Regular price $14.99 USDRegular priceUnit price / per -
3 kg Side Set
Regular price $17.99 USDRegular priceUnit price / per -
5 kg Side Set
Regular price $19.99 USDRegular priceUnit price / per -
Filament Junction Assembly
Regular price $19.99 USDRegular priceUnit price / per
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