---
product_id: 56928690
title: "Drain Valve External Filter FX4, FX5 and FX6, Pack of 1"
brand: "fluval"
price: "218.90 DT"
currency: TND
in_stock: true
reviews_count: 13
category: "Fluval"
url: https://www.desertcart.tn/products/56928690-drain-valve-external-filter-fx4-fx5-and-fx6-pack-1
store_origin: TN
region: Tunisia
---

# Leak-proof multi-port drain valve design Flanged 1.77" inlet & 1.25" outlet for secure fit Precision-engineered aluminum/PTFE build Drain Valve External Filter FX4, FX5 and FX6, Pack of 1

**Brand:** fluval
**Price:** 218.90 DT
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your aquarium flawless with the ultimate drain valve upgrade!

## Quick Answers

- **What is this?** Drain Valve External Filter FX4, FX5 and FX6, Pack of 1 by fluval
- **How much does it cost?** 218.90 DT with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/56928690-drain-valve-external-filter-fx4-fx5-and-fx6-pack-1)

## Best For

- fluval enthusiasts

## Why This Product

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

## Key Features

- • **Durable Build:** Crafted from premium aluminum and PTFE for long-lasting reliability
- • **Compact & Efficient:** Streamlined dimensions optimize space without compromising performance
- • **Leak-Resistant Seal:** Engineered to eliminate leaks and keep your aquarium pristine
- • **Effortless Maintenance:** Quick-connect flanged design for hassle-free filter draining
- • **Universal Compatibility:** Seamlessly fits Fluval FX4, FX5, and FX6 external filters

## Overview

The Fluval Drain Valve External Filter FX4, FX5, and FX6 is a precision-engineered, leak-proof valve designed for effortless maintenance of your aquarium filtration system. Made from durable aluminum and PTFE, it features flanged inlet and outlet connections for a secure fit, ensuring compatibility with multiple Fluval filter models. This compact, high-quality valve streamlines water changes and filter cleaning, making it an essential upgrade for any serious aquarium enthusiast.

## Description

Fluval Drain Valve External Filter FX4, FX5 and FX6, Pack of 1 : desertcart.co.uk: Automotive

Review: Quality product - Genuine product, just what we wanted
Review: No more leaks. - Easy to fit and worked a treat.

## Features

- Multi-purpose drain valve
- For Fluval FX4, Brondi and FX6 filters
- Easy to use

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B00U8PP34U |
| Best Sellers Rank | 13,391 in Automotive ( See Top 100 in Automotive ) 102 in Car Exhaust & Exhaust Systems |
| Brand | Fluval |
| Connector Type | Flanged |
| Country of Origin | Italy |
| Customer Reviews | 4.6 4.6 out of 5 stars (716) |
| Exterior Finish | ABS plastic |
| Global Trade Identification Number | 00015561302197 |
| Inlet Connection Size | 1.77 Inches |
| Inlet Connection Type | Kolarmente |
| Item Dimensions | 30.5 x 10.2 x 17.8 centimetres |
| Item Type Name | Drain valve for the FX6 filter |
| Manufacturer | KOMQI |
| Material | Aluminum or Polytetrafluoroethylene |
| Model Number | A20219 |
| Number of Pieces | 1 |
| Number of Ports | 2 |
| Outlet Connection Size | 1.25 Inches |
| Outlet Connection Type | Flange |
| Part Number | A20219 |
| Set Name | Fluval FX6 |
| Size | 4 pollici x 12 pollici x 7 pollici |
| Specification Met | CE |
| Thread Size | 1.25 inches |
| Thread Type | NPT |
| UPC | 015561302197 015561302364 |
| Unit Count | 1.0 count |
| Valve Type | Drain Valve |

## Product Details

- **Brand:** Fluval
- **Exterior finish:** ABS plastic
- **Inlet connection size:** 1.77 Inches
- **Inlet connection type:** Kolarmente
- **Item dimensions L x W x H:** 30.5 x 10.2 x 17.8 centimetres
- **Material:** Aluminum or Polytetrafluoroethylene
- **Number of ports:** 2
- **Outlet connection size:** 1.25 Inches
- **Outlet connection type:** Flange
- **Specification met:** CE

## Images

![Drain Valve External Filter FX4, FX5 and FX6, Pack of 1 - Image 1](https://m.media-amazon.com/images/I/71w-40duQFL.jpg)
![Drain Valve External Filter FX4, FX5 and FX6, Pack of 1 - Image 2](https://m.media-amazon.com/images/I/41klW8skvfL.jpg)
![Drain Valve External Filter FX4, FX5 and FX6, Pack of 1 - Image 3](https://m.media-amazon.com/images/I/51TYwpvzjiL.jpg)

## Questions & Answers

**Q: What pipe will fit this purge valve?**
A: The purge valve fits directly onto the pump,and when i do a water change i fit a standard hose pipe to carry out the change, i also dip the hose pipe into hot water ( about 3 inches ) which makes the pipe flexible and easy to slide over the purge valve.

**Q: How do you replace it?**
A: Just twist it 1/4 turn anti-clockwise and pullout. Reverse process to install new one.

**Q: Does anybody who has bought this purge valve had problems with it leaking after carrying out water changes. both the original and replacement have lea**
A: I’ve had no issues, make sure the inner and outer seal race is clean and free of grit. 
Also make sure the bottom of
Your filter is clean too.

**Q: Does this include new O rings with the valve?**
A: Yes this comes complete with new ‘O’ rings.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Quality product
*by B***Y on 11 June 2024*

Genuine product, just what we wanted

### ⭐⭐⭐⭐⭐ No more leaks.
*by A***R on 12 March 2025*

Easy to fit and worked a treat.

### ⭐⭐⭐⭐⭐ Good
*by A***R on 15 October 2025*

Great thanks

## Frequently Bought Together

- Fluval A20219 FX5/FX6 Purge Valve
- Fluval Fx5 Aquastop Valve and O-Ring, 2-Piece
- HAGEN Fluval FX6 Lid Fastener

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**Shop now:** [https://www.desertcart.tn/products/56928690-drain-valve-external-filter-fx4-fx5-and-fx6-pack-1](https://www.desertcart.tn/products/56928690-drain-valve-external-filter-fx4-fx5-and-fx6-pack-1)

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-24*