---
product_id: 2309915
title: "Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Medium Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Ready to Use, 3 Medium Green Filters"
brand: "tetra"
price: "A$17"
currency: AUD
in_stock: true
reviews_count: 8
category: "Tetra"
url: https://www.desertcart.com.au/products/2309915-tetra-whisper-bio-bag-filter-aquarium-cartridges-medium-filter-freshwater
store_origin: AU
region: Australia
---

# Crystal-clear water clarity Ready-to-use, easy monthly replacement Dual-sided dense mesh debris trap Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Medium Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Ready to Use, 3 Medium Green Filters

**Brand:** tetra
**Price:** A$17
**Availability:** ✅ In Stock

## Summary

> 💧 Keep your aquatic world crystal clear and effortlessly fresh!

## Quick Answers

- **What is this?** Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Medium Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Ready to Use, 3 Medium Green Filters by tetra
- **How much does it cost?** A$17 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.au](https://www.desertcart.com.au/products/2309915-tetra-whisper-bio-bag-filter-aquarium-cartridges-medium-filter-freshwater)

## Best For

- tetra enthusiasts

## Why This Product

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

## Key Features

- • **Trusted Since 1951:** Join 18,000+ enthusiasts who rely on Tetra’s proven aquarium expertise.
- • **Effortless Maintenance:** Pre-assembled cartridges make monthly swaps a breeze—no hassle, no mess.
- • **Perfect Fit, Every Time:** Color-coded medium size ensures seamless compatibility with Tetra Whisper filters.
- • **Dual-Sided Debris Defense:** Dense mesh captures fish waste and debris before it clouds your water.
- • **Pristine Aquarium Clarity:** Ultra-Activated® carbon eliminates odors & discoloration for a sparkling tank.

## Overview

Tetra Whisper Bio-Bag Medium Filter Cartridges are pre-assembled, color-coded replacements designed for Tetra Whisper water filters. Featuring Ultra-Activated® carbon and a dense dual-sided mesh, they effectively remove odors, discoloration, and debris to maintain crystal-clear freshwater and marine aquariums up to 60 gallons. Easy monthly replacement keeps your tank pristine with minimal effort.

## Description

Tetra® Whisper® Bio-Bag® Disposable Filter Cartridges keep aquarium water crystal clear and remove odors and discoloration. The dense, dual-sided mesh catches debris and fish waste. Ultra-Activated® carbon absorbs odors. Use these replacement filter cartridges in your Tetra® water filter – each package is color-coded to make it simple to remember which size to purchase. These replacement filters are assembled and ready to use for your convenience. Clear water made simple. Rinse Tetra Whisper Bio-Bag Disposable Filter Cartridges under cool tap water to remove carbon dust. Open the lid of your filter and insert the Bio-Bag cartridge into the filter. Replace a clogged Bio-Bag filter cartridge when there is reduced water flow out of the filter. For best results, change your filter cartridge monthly or sooner if needed. Size medium. Choose the small size filter cartridge to fit the Tetra® Whisper® 3i Internal Filter; choose the medium cartridge to fit the Tetra Whisper PF10 Power Filter, 10i Internal Filter and Reptofilter® 90 GPH; and choose the large cartridge to fit the Tetra Whisper 20, 30, 40 and 60 Power Filters and 20i and 40i Internal Filters. Since 1951, Tetra has developed the world’s most comprehensive body of fish food knowledge, and fishkeeping enthusiasts have looked to the brand for products and solutions that add ease and beauty to their home. Whether you're an experienced hobbyist or just starting out, Tetra has everything you need – from a large variety of quality fish food and innovative equipment to test kits and decor.

Review: Keeps My Aquarium Crystal Clear - These filters work perfectly! They keep the water clean and clear, and they’re super easy to replace. Great value for the price!
Review: good filter and price - they work well

## Features

- REPLACEMENT CARBON FILTER: Keeps aquarium water crystal clear – removes odors and discoloration.
- CATCHES DEBRIS: Dense, dual-sided mesh filters debris and fish waste.
- FITS TETRA WHISPER WATER FILTERS: Color coded to make it simple to remember which replacement cartridge size to purchase.
- CONVENIENT: Replacement filter cartridges are fully assembled and ready to use.
- USAGE: Change monthly or sooner if needed.
- Conveniently Assembled and Ready-to-Use
- Like the unassembled, the-Packages are color-coded, making it easier than ever to remember which size to purchase
- Easy to Assemble, Easy to Replace
- Please read all label information on delivery

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Tetra |
| Customer Reviews | 4.7 out of 5 stars 18,573 Reviews |
| Item Weight | 0.24 Pounds |
| Material | Plastic |
| Product Dimensions | 3.5"L x 3.5"W x 5.75"H |
| Special Feature | Lightweight |
| Tank Volume | 60 Gallons |

## Product Details

- **Brand:** Tetra
- **Material:** Plastic
- **Tank Volume:** 60 Gallons
- **Special Feature:** Lightweight
- **Product Dimensions:** 3.5"L x 3.5"W x 5.75"H
- **Item Weight:** 0.24 Pounds
- **Shape:** Rectangular
- **Specific Uses For Product:** Filter
- **Style:** 3 Count
- **Color:** Multicolored

## Images

![Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Medium Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Ready to Use, 3 Medium Green Filters - Image 1](https://m.media-amazon.com/images/I/61u0h3kolhL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Keeps My Aquarium Crystal Clear
*by A***A on October 12, 2025*

These filters work perfectly! They keep the water clean and clear, and they’re super easy to replace. Great value for the price!

### ⭐⭐⭐⭐⭐ good filter and price
*by O***E on October 19, 2025*

they work well

### ⭐⭐⭐⭐⭐ Good product
*by G***T on December 7, 2025*

Good product for my turtle tank.

## Frequently Bought Together

- Tetra Whisper Bio-Bag Filter Aquarium Cartridges, Medium Filter for Freshwater and Marine Fish, Removes Odors and Discoloration, Ready to Use, 3 Medium Green Filters
- Tetra Whisper Internal Power Filter 5 To 10 Gallons, For aquariums, In-Tank Filtration With Air Pump, Black
- Tetra Water Cleaner Gravel Siphon for Aquariums, Easily Clean Freshwater Aquariums

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**Shop now:** [https://www.desertcart.com.au/products/2309915-tetra-whisper-bio-bag-filter-aquarium-cartridges-medium-filter-freshwater](https://www.desertcart.com.au/products/2309915-tetra-whisper-bio-bag-filter-aquarium-cartridges-medium-filter-freshwater)

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*Product available on Desertcart Australia*
*Store origin: AU*
*Last updated: 2026-02-25*