Name: Set of 5 3/16" aquarium air hose fittings // Aquarium air hose connector
Brand: Apiobi
SKU: 1421
Availability: InStock

Set of 5 3/16″ aquarium air hose connectors // Aquarium air hose connector

Set of 5 3D-printable plug-in fittings for standard diameter ~Ø 5 mm aquarium hoses

🆔 Design No 1421

⚙︎ Formats : STL

𐊵 Version : 1.0

⦸ No AI - No virus

✏︎ Designer : M@t - apiobi

🗓 Published on 20 March 2026

⊙ Views : 68

💬 Exchanges : 0

2,99 €

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VAT 0% : VAT not applicable, Art. 293 B of the French General Tax Code
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Description

Set complet composé de 5 raccords de jonction droite, de formes en I, L, T, X et Y compatibles avec les tuyaux d’air standard 3/16″ pour aquarium (≈ 5 mm).
Tout ce dont vous avez besoin pour raccorder facilement votre pompe à air O2 ou votre montage CO2.
These fittings are not suitable for high-pressure applications.

Suitable for connecting air and water hoses for your aquarium, aquascaping, fountain, pond, fish tank, breeding tank installations.

You can download all 5 fittings for the price indicated.

Technical Tips for 3D Printing

Materials : PETG recommended, otherwise ABS, ASA, Nylon depending on use or other technical materials. PLA not recommended
Orientation: preferably flat, with easy-to-remove stand
Support: Adapt angle to avoid inserting a support inside the fittings that would be impossible to remove, given the inside diameter.

The models shown in the photos and/or GIFs (printed from the STL files you are about to download) have been deliberately printed from the test phases on an original ENDER 3 PRO, simply equipped:

a BLTouch,
and a PEI plate.

🎯 Objective: to prove two essential points

3D PRINTABILITY These models print perfectly in FDM.
They can be printed on all FDM 3D printers, without the need for a high-end or state-of-the-art machine.

👉 If printing is excellent on an Ender 3, it will be just as good on your printer.