---
product_id: 53179114
title: "Flex Black Foam Filter Insert"
brand: "fluval"
price: "R$260"
currency: BRL
in_stock: true
reviews_count: 13
category: "Fluval"
url: https://www.desertcart.com.br/products/53179114-flex-black-foam-filter-insert
store_origin: BR
region: Brazil
---

# Sleek black design High-efficiency foam filtration Simple, tool-free replacement Flex Black Foam Filter Insert

**Brand:** fluval
**Price:** R$260
**Availability:** ✅ In Stock

## Summary

> 🖤 Keep your Fluval Flex flawless—filter smarter, not harder!

## Quick Answers

- **What is this?** Flex Black Foam Filter Insert by fluval
- **How much does it cost?** R$260 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/53179114-flex-black-foam-filter-insert)

## 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

- • **Tailored Fit:** Designed exclusively for Fluval Flex 15g tanks for perfect compatibility.
- • **Optimized Filtration:** Premium black foam traps debris and maintains crystal-clear water.
- • **Trusted by Thousands:** Join 1,364+ happy aquarists enjoying cleaner tanks and healthier fish.
- • **Effortless Maintenance:** Replace your filter insert in seconds—no tools, no hassle.
- • **Lightweight & Portable:** At just 24g, it’s easy to handle and swap without stress.

## Overview

The Fluval Flex Black Foam Filter Insert is a lightweight, high-efficiency replacement filter designed exclusively for Fluval Flex 15g aquariums. Its sleek black foam ensures superior debris capture and water clarity, while the simple, tool-free replacement process makes maintenance quick and easy. Trusted by thousands, this insert enhances your aquarium’s filtration system with a perfect fit and reliable performance.

## Description

Free delivery and returns on eligible orders. Buy Fluval Flex Black Foam Filter Insert at desertcart UK.

Review: Good buy - Good so far
Review: Perfect - Fits my global 57 l perfectly, cheaper than elsewhere and quick delivery

## Features

- Flex 15g exclusive
- Simple replacement process
- Slick, Black color
- The plastic "C" clip does not come with the replacement foam

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0731YSB5T |
| Allergen Information | Nut Free |
| Batteries Included | No |
| Batteries required | No |
| Best Sellers Rank | 9,377 in Pet Supplies ( See Top 100 in Pet Supplies ) 82 in Aquarium Filter Accessories |
| Breed Recommendation | Fish |
| Colour | black |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,364) |
| Date First Available | 28 Jun. 2017 |
| Flavor | Foam |
| Item Weight | 24 g |
| Item model number | A1375 |
| Number of Items | 1 |
| Pet Life Stage | All Life Stages |
| Pet Type | Fish |
| Product Dimensions | 7.62 x 13.21 x 25.4 cm; 24 g |
| Quantity | 1 |
| Size | 1 Count (Pack of 1) |
| Special features | Geringes Gewicht, Leicht, Tragbar |
| Specific Uses | Indoor |

## Product Details

- **Brand:** Fluval
- **Breed recommendation:** Fish
- **Cartoon character:** Fish
- **Recommended uses for product:** Traps large particles and debris.
- **Theme:** Animals

## Images

![Flex Black Foam Filter Insert - Image 1](https://m.media-amazon.com/images/I/8174eNyjQxL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good buy
*by E***. on 13 December 2025*

Good so far

### ⭐⭐⭐⭐⭐ Perfect
*by T***D on 7 January 2026*

Fits my global 57 l perfectly, cheaper than elsewhere and quick delivery

### ⭐⭐⭐⭐⭐ Does the job
*by J***L on 1 August 2025*

Genuine part that does the job at a reasonable price.

## Frequently Bought Together

- Fluval Flex Black Foam Filter Insert
- Fluval Replacement Carbon for Fluval Flex/Spec/Evo - 3 bags,White
- Fluval Biomax for Fluval Spec/Flex/Evo Aquariums

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**Shop now:** [https://www.desertcart.com.br/products/53179114-flex-black-foam-filter-insert](https://www.desertcart.com.br/products/53179114-flex-black-foam-filter-insert)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-02-23*