DIY Aquarium Airlift Filter for 21mm PVC Pipe
by giabao23 · via Thingiverse
| Format | STL |
| Category | Other |
| License | CC BY-SA |
| Triangles | 11.1k |
| Uploaded | Apr 6, 2026 |
⬇ 5 downloads
👁 26 views
Description
A 3D-printable airlift pump designed for 21mm PVC pipes and 5mm airline tubing. Perfect for shrimp tanks and aquariums. Technical Details: Main Port: Friction-fit for 21mm PVC pipe (Standard plumbing). Air Intake: Barbed nozzle for 5mm ID oxygen tubing. Material: PETG Infill: 20% - 100% (Higher infill helps it sink). How to use: Insert a 21mm PVC pipe into the top connector. Connect your 5mm oxygen line to the side nozzle. Attach a sponge or bio-media to the bottom intake. Submerge and turn on the air pump.
Originally published on Thingiverse
