Straight Joiner Barbed Tubing Connector — Plastic Hose Coupler for Air & Water Lines 2.4–32mm

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Straight Joiner Barbed Tubing Connector — Plastic Hose Coupler for Air & Water Lines 2.4–32mm

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Size: 2.4-2.4mm

Qty(pcs): 1 pcs

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$2.75 USD

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In stock (500 units), ready to be shipped

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Straight Barbed Tubing Connector — Reliable Hose Coupling for Air & Water Lines

When a hose splits mid-project or you need to extend a fluid line without leaks, finding the right straight joiner barbed connector quickly becomes critical. Whether you're a hobbyist maintaining an aquarium, a DIYer running irrigation tubing, or a technician routing pneumatic air lines, a poorly fitting coupler means downtime and wasted materials. These plastic straight barbed connectors are built for a secure, push-fit grip that holds under normal operating conditions.

Each connector is a same-diameter straight joiner — both barbed ends accept tubing of the same inner diameter (ID). Available in sizes from 2.4mm (≈3/32") to 32mm (≈1-1/4"), they are sold individually or in multi-packs of up to 50 pieces. The barbed profile is designed to grip the inner wall of flexible tubing, creating a leak-resistant seal without adhesives or threading.

These straight hose couplers are well-suited for aquarium air line repair, garden drip irrigation tubing, pneumatic circuit extensions, laboratory fluid transfer setups, and general DIY hose repair projects where a quick, tool-free barbed connection is needed.

🔗 Compatibility: Designed for flexible tubing including silicone hose, vinyl tubing, polyurethane (PU) air line, and rubber hose. Match connector size to your tubing's inner diameter (ID). Not for rigid pipe or threaded fittings.

⚠️ Size Note: The format "X-Xmm" (e.g., 6-6mm) means both ends are the same diameter — this is a same-size coupler, not a reducer. Confirm your tubing ID before ordering.

✅ Key Features of These Straight Barbed Tubing Connectors

📐Wide Size Range — Available from 2.4mm (≈3/32") to 32mm (≈1-1/4"), covering the most common flexible tubing inner diameters used in air line and water line applications.
🔒Barbed Grip Design — The tapered barb profile bites into the tubing wall as you push it on, creating a friction-fit seal that resists pull-out under typical low-to-medium pressure conditions.
⚙️Tool-Free Installation — No wrenches, solvents, or threading required. Push the tubing firmly over each barb end for a fast, straightforward connection in pneumatic and fluid transfer setups.
💧Dual-Use for Air & Water — Suitable for both air line and water line applications including aquarium tubing, drip irrigation hose repair, and laboratory fluid transfer lines.
🧱Lightweight Plastic Construction — The plastic body resists moisture and mild corrosion, keeping weight low in applications where metal fittings would be unnecessary or counterproductive.
📦Flexible Quantity Options — Order from 1 to 50 pieces per size, so you can grab a single replacement connector or stock up for a larger irrigation or pneumatic circuit build.

📐 Technical Specifications — Straight Barbed Hose Connector

Product Type	Straight Barbed Tubing Connector (Same-Size Coupler)
Material	Plastic (See variant options for specific grade)
Connection Type	Push-fit barbed, both ends
Available Sizes (ID)	2.4mm (≈3/32"), 3.2mm (≈1/8"), 3.9mm, 4mm (≈5/32"), 4.1mm, 4.5mm, 4.8mm, 5mm (≈3/16"), 5.6mm, 6mm (≈1/4"), 6.4mm (≈1/4"), 7mm (≈9/32"), 7.9mm (≈5/16"), 9mm (≈3/8"), 9.5mm (≈3/8"), 10mm (≈3/8"), 11.1mm (≈7/16"), 12mm (≈1/2"), 12.7mm (1/2"), 14mm (≈9/16"), 15.8mm (≈5/8"), 19mm (3/4"), 25mm (1"), 32mm (1-1/4")
End Configuration	Straight (both ends same diameter)
Recommended Tubing	Silicone, vinyl, PU air line, rubber hose (flexible, soft-walled)
Typical Pressure Rating	Generally suitable for low-to-medium pressure; use hose clamps for higher-pressure applications
Quantity Options	1, 2, 3, 5, 8, 10, 20, 25, 30, 50 pcs per order
Color/Finish	See variant options
Country of Origin	Contact us to confirm

❓ Frequently Asked Questions

How do I choose the right size straight joiner for my tubing?

Match the connector size to your tubing's inner diameter (ID). For example, a 6mm connector fits tubing with a 6mm ID. If you're unsure, measure the inside of your hose with calipers. Available sizes range from 2.4mm (≈3/32") to 32mm (≈1-1/4"). When in doubt, size down slightly — a snug barb fit is generally better than a loose one.

What pressure can these straight barbed connectors handle?

Plastic barbed connectors are typically rated for low-to-medium pressure applications. For most air and water line uses, they generally handle pressures up to around 30–60 PSI depending on tubing material and clamp use. For higher-pressure systems, we recommend using hose clamps over the barb and confirming compatibility with your specific application.

Are these connectors suitable for outdoor or wet environments?

These plastic straight joiners are generally resistant to moisture and mild corrosion, making them suitable for many outdoor and wet-environment applications. However, prolonged UV exposure may affect some plastics over time. For harsh outdoor conditions, consider using hose clamps for a more secure seal.

What types of tubing are compatible with these barbed connectors?

These straight barbed connectors are compatible with flexible tubing including silicone hose, vinyl tubing, polyurethane (PU) air line, rubber hose, and similar soft-walled tubing. They are not designed for rigid pipe or threaded fittings. Always confirm your tubing's inner diameter matches the connector size.

Do I need tools or clamps to install these straight joiners?

No special tools are required — simply push the tubing firmly over each barbed end. For low-pressure applications, the barb grip is typically sufficient. For higher-pressure or vibration-prone setups, adding a hose clamp over each barb is recommended for a more secure connection.

Can I use these connectors for both air lines and water lines?

Yes. These straight barbed tubing connectors are designed for use with both air and water lines in low-to-medium pressure applications. They are commonly used in aquariums, irrigation systems, pneumatic circuits, laboratory setups, and DIY fluid transfer projects.

Why does the size label show two identical numbers (e.g., "6-6mm")?

The format "X-Xmm" indicates that both ends of the straight joiner are the same diameter — this is a same-size coupler, not a reducer. Both barbed ends fit tubing of the same inner diameter, making it ideal for extending or repairing a single hose run.

🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.

Straight Joiner Barbed Tubing Connector — Plastic Hose Coupler for Air & Water Lines 2.4–32mm

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Description

Straight Barbed Tubing Connector — Reliable Hose Coupling for Air & Water Lines

✅ Key Features of These Straight Barbed Tubing Connectors

📐 Technical Specifications — Straight Barbed Hose Connector

❓ Frequently Asked Questions

Straight Joiner Barbed Tubing Connector — Plastic Hose Coupler for Air & Water Lines 2.4–32mm

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