Screws on to bottle like a bottle cap and ensures that the water drips at a controlled rate. To attach to the next bottle, thread zip ties through the four holes. Fits 3/4-inch tubing.
3Dponics is an open-source initiative, so feel free to download the source files and refine the designs. Share your tweaks and improvements with the Spyder 3D World community and collaborate with other members.
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