---
product_id: 577561543
title: "CV6R"
brand: "pawfly"
price: "COP 49095"
currency: COP
in_stock: true
url: https://www.desertcart.co/products/577561543-cv6r
store_origin: CO
region: Colombia
---

# One-way air flow Compact & lightweight Backflow protection CV6R

**Brand:** pawfly
**Price:** COP 49095
**Availability:** ✅ In Stock

## Summary

> 🐠 Keep your fish tank breathing easy—no backflow, no drama!

## Quick Answers

- **What is this?** CV6R by pawfly
- **How much does it cost?** COP 49095 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co](https://www.desertcart.co/products/577561543-cv6r)

## Best For

- pawfly enthusiasts

## Why This Product

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

## Key Features

- • **Featherlight Design:** At just 3g and perfectly sized for 0.5cm tubing, it adds zero bulk while maximizing efficiency.
- • **Effortless Maintenance:** Simple cleaning with a slim stick keeps airflow smooth and your aquatic environment thriving.
- • **Durable & Whisper-Quiet:** Crafted from sturdy plastic for long-lasting use without annoying noise disruptions.
- • **Ultimate Pump Protector:** Safeguards your aquarium setup during power outages or pump pauses—no more water backflow worries.
- • **Seamless One-Way Airflow:** Ensures oxygen pumps deliver uninterrupted fresh air, preventing backflow with precision.

## Overview

The Pawfly Aquarium Check Valves are compact, durable one-way valves designed exclusively for oxygen air pumps in aquariums. They prevent water backflow during power outages or pump pauses, fit standard 0.5cm airline tubing, and are made from sturdy plastic to ensure quiet, long-term operation. Sold in convenient 6-packs, these valves are essential for maintaining optimal aeration and protecting your aquatic ecosystem.

## Description

Pawfly Aquarium Check Valves Red Plastic One-Way Non-Return Valves for Common Air Pumps Protectors for Standard 0.5cm Airline Tubing Fish Tank Accessories, 6 Pack

## 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.
- 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.
- 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.
- 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.
- Sturdy & Quiet: Made of reliable plastic which can be tightly connected to the hose without air leak. Sturdy to endure long-time use without making noise.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Package Dimensions | 12.5 x 7.6 x 1.6 cm; 3 g |
| Colour | Red |
| Size | Red |
| Number of Items | 6 |
| Quantity | 1 |
| Batteries required | No |
| Item Weight | 3 g |

## Images

![CV6R - Image 1](https://m.media-amazon.com/images/I/61jZd-FVRXL.jpg)

## Available Options

This product comes in different **Pattern, Size** options.

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**Shop now:** [https://www.desertcart.co/products/577561543-cv6r](https://www.desertcart.co/products/577561543-cv6r)

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*Product available on Desertcart Colombia*
*Store origin: CO*
*Last updated: 2026-05-06*