Plastic Hose Barb Connector — 3-Way, 4-Way & Hexagonal Fitting | Φ2.4–15.8mm

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Plastic Hose Barb Connector — 3-Way, 4-Way & Hexagonal Fitting | Φ2.4–15.8mm

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Sizes: Φ2.4mm

Types: 3 Way

Packing Quantity: 1 Pcs

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$6.51 USD

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In stock (500 units), ready to be shipped

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Plastic Hose Barb Connector — Reliable Multi-Way Joining for Air, Fuel & Water Lines

Whether you're routing coolant lines in an engine bay, splitting irrigation tubing in the garden, or building a custom pneumatic circuit, finding a connector that holds firm without leaking is half the battle. DIYers, hobbyists, and small-shop mechanics all face the same frustration: generic fittings that crack under pressure or slip off the barb at the worst moment. These plastic hose barb connectors are built to solve exactly that problem.

Each set includes your choice of connector type — 3-Way (T-shape), 4-Way (cross/X-shape), or Hexagonal barb fitting — in packing quantities of 1, 2, 5, or 10 pieces. Barb diameters span Φ2.4mm (≈3/32") through Φ15.8mm (≈5/8"), covering a wide range of hose inner diameters. The fittings are molded from rigid plastic with smooth barb ridges designed to grip the hose interior and resist pull-out under normal operating pressure.

Typical use cases include aquarium and fish tank tubing splits, automotive vacuum and fuel line junctions, drip irrigation manifold connections, and low-pressure pneumatic air line distribution. The compact form factor makes these fittings easy to route in tight spaces where metal fittings would be impractical.

ℹ️ Compatibility Note: Barb diameter must match your hose's inner diameter (ID). Sizes range from Φ2.4mm (≈3/32") to Φ15.8mm (≈5/8"). Select your size from the variant options above before adding to cart.

✅ Key Features of These Plastic Hose Barb Connectors

🔀Three Connector Styles — Choose 3-way T-fitting, 4-way cross fitting, or hexagonal barb to match your specific hose routing layout.
📏Wide Size Range — Available in 13 barb diameters from Φ2.4mm to Φ15.8mm, covering most standard hose inner diameters used in DIY and light industrial applications.
🔒Barbed Grip Design — Ridged barb profile bites into the hose wall to resist pull-out, maintaining a secure push-fit connection without adhesive in low-pressure lines.
⚖️Lightweight & Compact — Rigid plastic construction keeps weight minimal, making these fittings ideal for tight routing in engine bays, aquarium setups, and irrigation manifolds.
🧰Tool-Free Installation — Push-fit assembly requires no special tools; simply insert the barb into the hose end for an immediate connection in air, water, and light fuel line applications.
📦Flexible Pack Quantities — Order 1, 2, 5, or 10 pieces per set so you can stock exactly what your project needs without over-buying.

📐 Technical Specifications — Plastic Hose Barb Fittings

Product Type	Plastic Hose Barb Connector
Connector Styles	3-Way (T), 4-Way (Cross), Hexagonal
Barb Diameter Range	Φ2.4mm (≈3/32") – Φ15.8mm (≈5/8")
Available Sizes	Φ2.4 / 3.2 / 3.5 / 3.8 / 3.9 / 4.8 / 5.6 / 6.4 / 7.9 / 9.5 / 11.1 / 12.7 / 15.8mm
Material	Rigid Plastic (see variant options for specific grade)
Connection Method	Push-fit barb; clamp recommended for higher-pressure use
Fluid Compatibility	Water, air, light fuel lines (low-pressure); contact us to confirm for other media
Pressure Rating	See variant options — rated for low-to-medium pressure applications
Packing Quantity	1 / 2 / 5 / 10 Pcs per set
Country of Origin	See variant options

⚠️ Spec Confirmation: Exact pressure ratings and material grade vary by size. If your application involves elevated pressure, elevated temperature, or chemical exposure, contact us before ordering to confirm suitability.

❓ Frequently Asked Questions

How do I choose the right hose barb size?

Match the barb diameter to your hose's inner diameter (ID). For example, a Φ3.2mm barb fits a hose with a 3.2mm inner bore. When in doubt, measure your hose ID with calipers before ordering. Common imperial equivalents: Φ6.4mm ≈ 1/4", Φ9.5mm ≈ 3/8", Φ12.7mm ≈ 1/2".

What is the difference between 3-way, 4-way, and hexagonal fittings?

A 3-way (T-shape) fitting splits one inlet into two outlets — ideal for branching a single line. A 4-way (cross/X-shape) fitting connects four lines at one junction, useful for manifold-style distribution. The hexagonal fitting features a hex body for wrench-assisted tightening, typically used where a more secure mechanical grip is needed.

What fluids or gases are these connectors compatible with?

These plastic barb fittings are generally compatible with water, air, and light fuel lines in low-pressure applications. For aggressive chemicals, solvents, or high-temperature media, confirm material compatibility before use. Contact us if you need guidance for a specific application.

Can these fittings be used outdoors?

These connectors are typically suitable for sheltered outdoor use such as under-hood automotive applications or covered irrigation systems. Prolonged direct UV exposure may cause gradual material degradation over time. For harsh outdoor environments with constant sun exposure, UV-stabilized or metal alternatives may be more appropriate.

What pressure rating do these barb fittings support?

Plastic barb fittings are generally rated for low-to-medium pressure applications. Exact ratings depend on the specific size, hose material, and operating temperature. In most cases, these are suitable for aquarium, irrigation, and light pneumatic use. For high-pressure systems, contact us to confirm suitability before ordering.

Do I need clamps or adhesive to secure the hose?

For most low-pressure applications, a snug push-fit connection is sufficient — the barb ridges grip the hose interior and resist pull-out under normal conditions. For higher-pressure, vibration-prone, or safety-critical setups, hose clamps are recommended to prevent accidental disconnection.

Are these fittings compatible with both metric and imperial hoses?

The barb diameters are listed in metric (mm). Many sizes correspond closely to common imperial hose IDs — for example, Φ3.2mm ≈ 1/8", Φ6.4mm ≈ 1/4", Φ9.5mm ≈ 3/8", Φ12.7mm ≈ 1/2", Φ15.8mm ≈ 5/8". Always verify your hose inner diameter before ordering to ensure a proper fit.

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

Plastic Hose Barb Connector — 3-Way, 4-Way & Hexagonal Fitting | Φ2.4–15.8mm

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Plastic Hose Barb Connector — Reliable Multi-Way Joining for Air, Fuel & Water Lines

✅ Key Features of These Plastic Hose Barb Connectors

📐 Technical Specifications — Plastic Hose Barb Fittings

❓ Frequently Asked Questions

Plastic Hose Barb Connector — 3-Way, 4-Way & Hexagonal Fitting | Φ2.4–15.8mm

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