---
product_id: 103127861
title: "Metalwork Plastic Push to Connect Straight Union Tube Fitting, 4mm OD x 4mm OD, Straight Pneumatic Connector (Pack of 10)"
brand: "yoebor"
price: "€ 15.21"
currency: EUR
in_stock: true
reviews_count: 8
url: https://www.desertcart.hr/products/103127861-metalwork-plastic-push-to-connect-straight-union-tube-fitting-4mm
store_origin: HR
region: Croatia
---

# 0-150 PSI 4mm OD Reusable Metalwork Plastic Push to Connect Straight Union Tube Fitting, 4mm OD x 4mm OD, Straight Pneumatic Connector (Pack of 10)

**Brand:** yoebor
**Price:** € 15.21
**Availability:** ✅ In Stock

## Summary

> 🔧 Connect with Confidence!

## Quick Answers

- **What is this?** Metalwork Plastic Push to Connect Straight Union Tube Fitting, 4mm OD x 4mm OD, Straight Pneumatic Connector (Pack of 10) by yoebor
- **How much does it cost?** € 15.21 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/103127861-metalwork-plastic-push-to-connect-straight-union-tube-fitting-4mm)

## Best For

- yoebor enthusiasts

## Why This Product

- Trusted yoebor brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Durable & Reliable:** Crafted from high-quality plastic for long-lasting performance.
- • **Pack of 10 for Value:** Stock up and save with a convenient pack of ten fittings.
- • **Versatile Compatibility:** Perfectly suited for both polyurethane and nylon tubing.
- • **Effortless Disconnection:** Easily reconnect and disconnect without hassle.
- • **Quick & Easy Connections:** Experience seamless assembly with our push-to-connect design.

## Overview

The Metalwork Plastic Push to Connect Straight Union Tube Fitting is a versatile and reliable solution for pneumatic connections. Designed for 4mm OD tubing, this pack of 10 fittings ensures quick and easy assembly, making it ideal for both professional and DIY projects. With a robust operating pressure range of 0-150 PSI, these reusable connectors are perfect for air applications, providing durability and convenience in every connection.

## Description

Metalwork Plastic Push to Connect Straight Union Tube Fitting, 4mm OD x 4mm OD, Straight Pneumatic Connector (Pack of 10)

## Features

- Type: Straight Union Same Diameter
- Designed for Polyurethane or Nylon tubing Quick and Reliable connections
- Reusable: Multiple connections/disconnections
- Convenient elliptical sleeve configuration
- Operating Pressure: 0- 150 PSI Fluid Type: Air

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Size | 4mm x 4mm |
| Material | Plastic |
| Brand | Yoebor |
| Color | Metric Tube |
| Connector Type | Union |
| Exterior Finish | Brass |
| Number of Pieces | 10 |
| Manufacturer | Metalwork |
| Part Number | PU-Kit1 |
| Item Weight | 0.81 ounces |
| Package Dimensions | 4.8 x 3.3 x 0.6 inches |
| Item model number | PU-Kit1 |
| Is Discontinued By Manufacturer | No |
| Measurement System | metric |
| Batteries Included? | No |
| Batteries Required? | No |

## Images

![Metalwork Plastic Push to Connect Straight Union Tube Fitting, 4mm OD x 4mm OD, Straight Pneumatic Connector (Pack of 10) - Image 1](https://m.media-amazon.com/images/I/61MBowOIKUL.jpg)

## Available Options

This product comes in different **Color, Size, Number of Items** options.

## Questions & Answers

**Q: Will these work for ARB blue air locker hose??**
A: Yes they are dot conections work on all air lines , just get the right size for application

**Q: can i use with water line?**
A: They’ll hold 90psi air. Water should be no problem.

**Q: Work on fuel line?**
A: This is a pnuematic connector.

**Q: These are not sized for standard US measurements are they?**
A: Served our needs for both 3/8" and 10mm applications.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Good couplers
  

*by A***E on Reviewed in the United States on July 24, 2023*

If you want to couple some PTFE tube together this gets the job done.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Great fit!
  

*by J***Y on Reviewed in the United States on January 11, 2023*

Fit perfectly and was easy to disconnect when needed.

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Push connectors
  

*by Q***Z on Reviewed in the United States on January 15, 2023*

Worked great for me

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.hr/products/103127861-metalwork-plastic-push-to-connect-straight-union-tube-fitting-4mm](https://www.desertcart.hr/products/103127861-metalwork-plastic-push-to-connect-straight-union-tube-fitting-4mm)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-24*