---
product_id: 309154336
title: "Brass AC R410A Adapter Fitting 1/4' Male to 5/16' Female with Valve Core Charging Hose for R410 Mini Split Systems, Secure and Reliable, Anti-Backflow Design, Easy Installation"
brand: "duokon"
price: "€ 14.80"
currency: EUR
in_stock: true
url: https://www.desertcart.nl/products/309154336-brass-ac-r410a-adapter-fitting-1-4-male-to-5
store_origin: NL
region: Netherlands
---

# Anti-backflow design 1/4' to 5/16' fitting Durable brass construction Brass AC R410A Adapter Fitting 1/4' Male to 5/16' Female with Valve Core Charging Hose for R410 Mini Split Systems, Secure and Reliable, Anti-Backflow Design, Easy Installation

**Brand:** duokon
**Price:** € 14.80
**Availability:** ✅ In Stock

## Summary

> 🔌 Connect with Confidence!

## Quick Answers

- **What is this?** Brass AC R410A Adapter Fitting 1/4' Male to 5/16' Female with Valve Core Charging Hose for R410 Mini Split Systems, Secure and Reliable, Anti-Backflow Design, Easy Installation by duokon
- **How much does it cost?** € 14.80 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/309154336-brass-ac-r410a-adapter-fitting-1-4-male-to-5)

## Best For

- duokon enthusiasts

## Why This Product

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

## Key Features

- • **Smart Design:** Anti-backflow feature ensures optimal airflow and system performance.
- • **Hassle-Free Setup:** Quick and easy installation with user-friendly connectors.
- • **Leak-Proof Assurance:** Brass construction guarantees durability and prevents leaks.
- • **Effortless Efficiency:** Maximize your cooling performance with seamless connections.
- • **Universal Compatibility:** Works with various R410 mini split systems for versatile use.

## Overview

The Brass AC R410A Adapter Fitting is designed for seamless connections in R410 mini split air conditioning systems. With a durable brass construction, anti-backflow design, and easy installation features, this adapter ensures efficient cooling and reliable performance.

## Description

Features:  1. This 1/4" for SAE Male x 5/16" female SAE adapter is suitable for R410 mini split air conditioning, HVAC and cooling services.  2. This accessory is suitable for some R410 imported Mini Split systems, so a standard 1/4" hose can be used.  3. R410 low side, mini split type, A / C low loss, anti-back joint.  4. Applicable to R410 imported mini split air conditioner.  5. The SAE female nut with pressure drop is connected to the R410 mini split unit.   Specification:  size:  Thread diameter: 11mm / 0.43"  Overall size: 1.6 x 4.1 cm / 0.63" x 1.61" (D * H)  Connector for : 1/4" Male SAE to 5/16" Female SAE  Material: brass  Color: gold  Weight: 0.034kg   Package list:  Brass Adapter*1   Notice:  Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering.  Please understand that colors may exist chromatic aberration as the different placement of pictures.

## Features

- Efficient Cooling: This SAE adapter allows for easy connection to R410 mini split air conditioning systems, ensuring efficient cooling performance.
- Versatile Compatibility: Suitable for use with some imported R410 Mini Split systems, this adapter allows for the use of a standard 1/4" hose, providing versatility in charging and vacuuming.
- Secure and The brass construction of this adapter ensures durability and prevents leakage, making it a solution for R410 low side connections.
- Anti-Backflow Design: Designed with an anti-backflow joint, this adapter prevents backflow and maintains optimal A/C system performance, ensuring efficient airflow.
- Easy Installation: Equipped with an SAE female nut and a pressure drop connector, this adapter offers easy and hassle- installation to connect to the R410 mini split unit.

## Product Details

- **Material:** Brass
- **Brand:** Duokon
- **Color:** Gold
- **Item dimensions L x W x H:** 4.72 x 3.15 x 0.79 inches
- **Connector Type:** Adapter (device, not a type of connector)
- **Thread Size:** 0.43 inches
- **Exterior Finish:** Brass
- **Thread Type:** UNF or NPT
- **Item Weight:** 0.03 Kilograms
- **Number of Pieces:** 1

## Images

![Brass AC R410A Adapter Fitting 1/4' Male to 5/16' Female with Valve Core Charging Hose for R410 Mini Split Systems, Secure and Reliable, Anti-Backflow Design, Easy Installation - Image 1](https://m.media-amazon.com/images/I/51nOKFuJ66L.jpg)
![Brass AC R410A Adapter Fitting 1/4' Male to 5/16' Female with Valve Core Charging Hose for R410 Mini Split Systems, Secure and Reliable, Anti-Backflow Design, Easy Installation - Image 2](https://m.media-amazon.com/images/I/51ySOP3FigL.jpg)
![Brass AC R410A Adapter Fitting 1/4' Male to 5/16' Female with Valve Core Charging Hose for R410 Mini Split Systems, Secure and Reliable, Anti-Backflow Design, Easy Installation - Image 3](https://m.media-amazon.com/images/I/51rEqp-Uk0L.jpg)
![Brass AC R410A Adapter Fitting 1/4' Male to 5/16' Female with Valve Core Charging Hose for R410 Mini Split Systems, Secure and Reliable, Anti-Backflow Design, Easy Installation - Image 4](https://m.media-amazon.com/images/I/51LuolpPG4L.jpg)
![Brass AC R410A Adapter Fitting 1/4' Male to 5/16' Female with Valve Core Charging Hose for R410 Mini Split Systems, Secure and Reliable, Anti-Backflow Design, Easy Installation - Image 5](https://m.media-amazon.com/images/I/51uTFzEE-AL.jpg)

## Frequently Bought Together

- Duokon Brass AC R410A Adapter Fitting 1/4' Male to 5/16' Female with Valve Core Charging Hose for R410 Mini Split Systems, Secure and Reliable, Anti-Backflow Design, Easy Installation
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- Refrigeration Technologies RT201B Nylog Gasket/Thread Sealant, 30 ml (1 Pack)

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-19*