---
product_id: 177094651
title: "Uniclife 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic One-Way Non-Return Valves Pump Protectors for Standard 4-6 mm Airline Tubing Fish Tank Accessories for Aeration Setup"
brand: "uniclife"
price: "¥11"
currency: JPY
in_stock: true
reviews_count: 13
url: https://www.desertcart.jp/products/177094651-uniclife-6-pcs-aquarium-check-valves-for-common-air-pumps
store_origin: JP
region: Japan
---

# Oxygen pumps only One-way check valve Standard 4-6 mm tubing Uniclife 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic One-Way Non-Return Valves Pump Protectors for Standard 4-6 mm Airline Tubing Fish Tank Accessories for Aeration Setup

**Brand:** uniclife
**Price:** ¥11
**Availability:** ✅ In Stock

## Summary

> 🐠 Keep your aquatic friends thriving with effortless aeration!

## Quick Answers

- **What is this?** Uniclife 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic One-Way Non-Return Valves Pump Protectors for Standard 4-6 mm Airline Tubing Fish Tank Accessories for Aeration Setup by uniclife
- **How much does it cost?** ¥11 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/177094651-uniclife-6-pcs-aquarium-check-valves-for-common-air-pumps)

## Best For

- uniclife enthusiasts

## Why This Product

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

## Key Features

- • **🔗 Perfect Fit:** Compatible with standard airline tubing for seamless integration.
- • **🚀 Effortless Aeration:** Ensure smooth airflow with our lightweight design.
- • **🔧 Essential Protection:** Prevent backflow during outages for peace of mind.
- • **🔇 Whisper-Quiet Operation:** Durable plastic construction for silent performance.
- • **🧼 Hassle-Free Maintenance:** Easily clean and maintain for long-lasting use.

## Overview

The Uniclife 6 PCS Aquarium Check Valves are essential one-way non-return valves designed specifically for standard aquarium air pumps. Made from durable red plastic, these lightweight valves prevent backflow during power outages, ensuring your fish tank's aeration system remains effective. With easy maintenance and a perfect fit for 4-6 mm tubing, these valves are a must-have for any aquarium enthusiast.

## Description

Full description not available

## Features

- For Oxygen Pumps Only: Great one-way check valve for most common aquarium air pumps. NOT suitable for CO2 or other high-pressure systems to avoid crack and leak.
- Small & Light: Size: 5.4L x 1.4W(cm); Diameter of air holes: 0.3cm; Weight: 3g. Standard ID airline tubing: 0.5cm. Add little weight to your hose for smooth airflow.
- Ideal Pump Protectors: Prevent backflow of water through the tubing during a power outage or pump pause. Essential accessories for basic aeration setup in your fish tanks.
- Sturdy & Quiet: Made of reliable plastic which can be tightly connected to the hose without air leak. Durable to endure long-time use without making noise.
- Easy Maintenance: Clean the valve regularly. Please poke it with a slim stick from the inlet side to push it open when it gets clogged inside and restricts air flow.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Operation Mode | Manual |
| Power Source | Battery Powered |
| Item Weight | 4 Grams |
| Material Type | Plastic |
| Colour | Red |

## Product Details

- **Colour:** Red
- **Brand:** Uniclife
- **Material:** Plastic
- **Item weight:** 4 Grams
- **Power source:** Battery Powered

## Images

![Uniclife 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic One-Way Non-Return Valves Pump Protectors for Standard 4-6 mm Airline Tubing Fish Tank Accessories for Aeration Setup - Image 1](https://m.media-amazon.com/images/I/6129zPI7nfL.jpg)
![Uniclife 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic One-Way Non-Return Valves Pump Protectors for Standard 4-6 mm Airline Tubing Fish Tank Accessories for Aeration Setup - Image 2](https://m.media-amazon.com/images/I/61HD4KZ7agL.jpg)
![Uniclife 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic One-Way Non-Return Valves Pump Protectors for Standard 4-6 mm Airline Tubing Fish Tank Accessories for Aeration Setup - Image 3](https://m.media-amazon.com/images/I/71xyXJ1vmnL.jpg)
![Uniclife 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic One-Way Non-Return Valves Pump Protectors for Standard 4-6 mm Airline Tubing Fish Tank Accessories for Aeration Setup - Image 4](https://m.media-amazon.com/images/I/61clqZMdOaL.jpg)
![Uniclife 6 PCS Aquarium Check Valves for Common Air Pumps Red Plastic One-Way Non-Return Valves Pump Protectors for Standard 4-6 mm Airline Tubing Fish Tank Accessories for Aeration Setup - Image 5](https://m.media-amazon.com/images/I/61v2vg96jEL.jpg)

## Available Options

This product comes in different **Size Name** options.

## Questions & Answers

**Q: are these low pressure nrv's . would they allow water to drip through by gravity ?**
A: basic one way valves which will stop back syphon and drip by gravity from your aquarium

**Q: Does anyone know if this would be suitable to replace a check valve on uniclife quiet aquarium air pump ma-60 for 30l or less fish tank**
A: Yes,it can replace a check valve on uniclife quiet aquarium air pump ma-60 for 30l.

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    very good value
  

*by B***E on Reviewed in the United Kingdom on 4 July 2023*

arrived on time, works well in the aquarium

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Did the job
  

*by G***L on Reviewed in the United Kingdom on 15 July 2024*

Decent quality, still working 1 year later. Performing well. Def value for money

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Just want I need and I have spares.
  

*by K***Y on Reviewed in the United Kingdom on 27 September 2021*

I needed one I have spares. More then happy with then. Does the job.

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-01-28*