Clear Plastic Barbed Straight Hose Connectors — Reliable Pipe Joiner for Air, Fuel & Water Lines
When a hose splits, a fitting cracks, or you need to extend a fluid line quickly, hunting for the right connector size wastes time and holds up your project. Whether you're a hobbyist repairing a garden irrigation system, a mechanic routing fuel lines on a small engine, or a maker building a pneumatic circuit, having the correct barbed straight hose connector on hand makes the difference between a clean repair and a frustrating leak.
Each piece is a clear plastic barbed straight connector — a single-body, inline hose joiner with a barbed end on each side. Made from polypropylene, these fittings are lightweight, chemically resistant to water, dilute acids, and many common fuels, and transparent so you can visually confirm flow. Available in sizes from 2.4mm (≈3/32") up to 32mm (≈1-1/4"), and sold in quantities of 1 to 50 pieces per order so you can stock exactly what you need.
Typical use cases include joining flexible PVC or silicone tubing in aquarium and hydroponics setups, splicing air lines in pneumatic hobby projects, repairing fuel hoses on lawn mowers and small engines, and connecting water lines in DIY irrigation or cooling systems — all situations where a clear plastic barbed hose joiner lets you work fast without specialized tools.
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Compatibility: Designed for flexible tubing (PVC, silicone, polyurethane, rubber) with inner diameter matching the selected barb size. Not for threaded fittings. Verify tubing ID before ordering.
✅ Key Features of These Clear Plastic Barbed Straight Hose Connectors
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🔍Transparent Body — Clear polypropylene construction lets you visually confirm fluid flow and quickly spot blockages or air bubbles in your line without disassembly.
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📐Wide Size Range — Available from 2.4mm up to 32mm barb diameter, covering the most common metric and fractional tubing inner diameters used in DIY, hobby, and light industrial applications.
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🔧Tool-Free Push-Fit Installation — The barbed profile grips the inside of flexible tubing without adhesives or clamps for low-pressure lines, making installation and replacement fast and straightforward.
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💧Multi-Fluid Compatibility — Suitable for air, water, and many common fuels and light chemicals; polypropylene offers good resistance to dilute acids, alcohols, and hydrocarbons in low-pressure barbed hose joiner applications.
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📦Flexible Quantity Options — Order from 1 to 50 pieces per size so you can grab a single replacement or stock a full supply for ongoing maintenance and repair work.
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⚖️Lightweight & Corrosion-Free — Plastic construction means zero rust or galvanic corrosion, making these straight pipe joiners a practical choice for wet environments like aquariums, irrigation, and outdoor water lines.
📐 Technical Specifications — Barbed Straight Hose Connector
| Product Type |
Barbed Straight Hose Connector (Inline Pipe Joiner) |
| Material |
Polypropylene (PP) — clear/transparent |
| Connection Style |
Barbed push-fit (both ends) |
| Available Barb Sizes |
2.4mm, 3.2mm, 3.9mm, 4mm, 4.1mm, 4.5mm, 4.8mm, 5mm, 5.6mm, 6mm, 6.4mm, 7mm, 7.9mm, 9mm, 9.5mm, 10mm, 11.1mm, 12mm, 12.7mm, 14mm, 15.8mm, 19mm, 25mm, 32mm |
| Size Range (Imperial approx.) |
≈3/32" to ≈1-1/4" |
| Compatible Tubing Types |
Flexible PVC, silicone, polyurethane, rubber hose |
| Typical Pressure Rating |
Generally up to 60–80 PSI (low-to-medium pressure; confirm for your application) |
| Fluid Compatibility |
Water, air, dilute fuels, light chemicals (verify for specific media) |
| Quantity per Order |
1, 2, 3, 5, 10, 15, 20, 25, 30, or 50 PCS (select above) |
| Color |
Clear / Transparent |
| Clamp Required |
See variant options (recommended for higher-pressure use) |
| Country of Origin |
Contact us to confirm |
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Size Note: The size listed is the barb outer diameter, which should match your tubing's inner diameter (ID). If you're between sizes, measure your tubing ID with calipers before ordering. A snug fit is normal and helps create a leak-resistant seal.
❓ Frequently Asked Questions
How do I choose the right size barbed hose connector?
Match the barb diameter to your tubing's inner diameter (ID). For example, a 4mm barb generally fits tubing with a 4mm ID. If you're unsure, measure the inside of your hose with calipers. A slightly snug fit is preferred for a leak-resistant seal. Sizes here range from 2.4mm (≈3/32") up to 32mm (≈1-1/4").
What pressure can these barbed connectors handle?
Polypropylene barbed fittings typically handle low-to-medium pressures, generally up to around 60–80 PSI depending on tubing wall thickness and temperature. For high-pressure applications, please contact us to confirm suitability.
Are these connectors suitable for outdoor or UV-exposed use?
These clear plastic connectors are generally intended for indoor or sheltered applications. Prolonged direct UV exposure may cause gradual material degradation over time. For outdoor use, consider shielding the fitting or contact us for material alternatives.
What tubing standards are these compatible with?
These barbed straight connectors are compatible with standard flexible tubing including PVC, polyurethane, silicone, and rubber hose with matching inner diameters. They are not threaded fittings — connection is made by pushing the barbed end into the tubing bore.
Can I use these for fuel lines?
These connectors are commonly used for low-pressure fuel line applications in small engines, hobby vehicles, and garden equipment. However, compatibility depends on the specific fuel type and concentration. We recommend verifying chemical compatibility with your fuel before use in critical applications.
Do I need clamps with these barbed connectors?
For low-pressure water or air lines, the barb design typically provides a secure push-fit connection without clamps. For higher-pressure or vibration-prone applications, using a hose clamp over the tubing at the barb is generally recommended for added security.
What is the difference between the size options (e.g., 4mm vs 4.1mm)?
The size listed refers to the barb outer diameter, which corresponds to the tubing inner diameter it is designed to fit. Slight variations like 4mm vs 4.1mm reflect different tubing standards (metric vs. fractional). Always match to your tubing's measured inner diameter for the best fit.
🛒 Select your size and quantity above, then add to cart — ships from our US warehouse.
