20-Pack 4mm T-Shape 3-Way Aquarium Air Tube Connectors
20-Pack 4mm T-Shape 3-Way Aquarium Air Line Connectors
Keep your fish tank's air flow perfectly distributed with these 20-piece T-shaped 3-way plastic connectors. Engineered specifically for 4mm soft airline tubing, each connector creates a secure, leak-free split so you can branch a single air pump line to multiple devices — air stones, sponge filters, decorations, and more — all at once. Made in Mainland China.
Why You'll Love These Connectors
- Perfect 4mm Fit: Precision-sized for standard 4mm soft aquarium airline tubing — no slipping, no leaks.
- 3-Way T-Shape Design: Effortlessly split one air line into two outputs, letting you power multiple aeration devices from a single pump.
- Durable Plastic Construction: Made from sturdy, aquatic-safe plastic that holds up to continuous submersion and long-term use in freshwater and saltwater setups.
- Great Value Pack: 20 connectors per pack means you have plenty on hand for new builds, replacements, or expansions.
- Easy to Install: Simply push the tubing firmly into each port — no tools required. Works with most standard aquarium air pumps and accessories.
- Compact & Portable: Lightweight and discreet, these connectors tuck neatly out of sight behind your tank décor.
Specifications
| Type | T-Shaped 3-Way Connector |
| Material | Plastic |
| Tubing Size | 4mm |
| Quantity | 20 Pieces |
| Country of Origin | Made in Mainland China |
What's in the Box
- 20 × T-Shaped 3-Way 4mm Aquarium Air Line Connectors
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Frequently Asked Questions
Q: What size airline tubing do these 3-way connectors fit?
A: These T-shaped connectors are specifically designed for standard 4mm soft aquarium airline tubing. They provide a snug, secure fit with 4mm tubing to prevent air leaks and ensure efficient airflow distribution throughout your fish tank setup.
Q: Can I use these connectors in both freshwater and saltwater aquariums?
A: Yes! The connectors are made from durable, aquatic-safe plastic that is suitable for use in both freshwater and saltwater aquarium environments. They are built for long-term, continuous use without degrading in water.
Q: How many connectors are included in one pack?
A: Each pack contains 20 T-shaped 3-way connectors, giving you ample supply for setting up, expanding, or maintaining multiple aeration points across one or several fish tanks.
Q: Do I need any special tools to install these air line connectors?
A: No tools are needed. Simply push your 4mm airline tubing firmly into each port of the connector. The fit is designed to hold securely under normal aquarium air pump pressure without clamps or adhesives.