---
product_id: 334449360
title: "Tetra Whisper Internal Filter 10 To 30 Gallons, For aquariums, In-Tank Filtration With Air Pump"
brand: "tetra"
price: "₩89796"
currency: KRW
in_stock: true
reviews_count: 8
category: "Tetra"
url: https://www.desertcart.kr/products/334449360-tetra-whisper-internal-filter-10-to-30-gallons-for-aquariums
store_origin: KR
region: South Korea
---

# Air-driven oxygenation system 125 GPH filtration flow Universal in-tank mounting clip Tetra Whisper Internal Filter 10 To 30 Gallons, For aquariums, In-Tank Filtration With Air Pump

**Brand:** tetra
**Price:** ₩89796
**Availability:** ✅ In Stock

## Summary

> 💧 Elevate your aquarium game with whisper-quiet, all-in-one filtration!

## Quick Answers

- **What is this?** Tetra Whisper Internal Filter 10 To 30 Gallons, For aquariums, In-Tank Filtration With Air Pump by tetra
- **How much does it cost?** ₩89796 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.kr](https://www.desertcart.kr/products/334449360-tetra-whisper-internal-filter-10-to-30-gallons-for-aquariums)

## 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

- • **Space-Savvy Design:** Mounts inside tank, letting your aquarium sit flush against any wall—sleek and seamless.
- • **Whisper-Quiet Operation:** Submerged motor minimizes noise for a peaceful aquatic vibe.
- • **Oxygen Boosting Aeration:** Air pump design oxygenates water while filtering, promoting healthier aquatic life.
- • **Dual-Sided Mesh Filtration:** Dense filter traps debris and fish waste efficiently, keeping water crystal clear.
- • **Easy Bio-Bag Cartridge Swap:** Large, accessible cartridges make maintenance a breeze—no mess, no stress.

## Overview

The Tetra Whisper Internal Filter 10-30 Gallons is a compact, in-tank filtration system combining a powerful 125 GPH air-driven filter with oxygenation. Designed for quiet operation and space efficiency, it mounts inside the aquarium with included clips, allowing tanks to sit flush against walls. Featuring dual-sided mesh filters and easy-to-change Bio-Bag cartridges, it ensures clean, oxygen-rich water for healthier aquatic environments.

## Description

For the ultimate in convenience and quiet, choose a Whisper In-Tank Filter. These filters mount on the inside of the aquarium, rather than hanging from the outside -- making it possible to place the tank flush against a wall. In-Tank Filters are unusually quiet, since the motor is under the water. Offering the same quality and performance as an external filter, the Whisper In-Tank Filter will function in as little as 2 inches of water -- making it ideal for turtle tanks, or for creating a waterfall inside the tank.The Whisper In-Tank filter features adjusts easily to high or low water levels with mounting suction cups and/or bracket. Each filter comes with one pre-assembled Whisper Bio-Bag filter cartridge.

Review: Disappointed !!! - Worst filter, don’t buy this…the motor dies in few hours and doesn’t work anymore.
Review: Very bad experience - Motor is not woking properly, very big broken sounds is coming out from the motor, request desertcart to refund, very sad.

## Features

- UNIVERSAL DESIGN Tetra Whisper 20i Internal Filter is an all-in-one air pump and water filter system
- INTERNAL FILTER Mounts on the inside of your aquarium with clip (included)
- CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste
- AERATES WATER Air-driven design filters up to 125 GPH while oxygenating water
- CONVENIENT DESIGN Uses large easy to change Bio-Bag cartridges filter mounts inside aquarium making it possible to place tank flush anst the wall.PRODUCT DIMENSIONS: 4.88" x 5.38" x 10.19"

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0002DHYG8 |
| Allergen Information | Gluten |
| Batteries | Product Specific batteries required. |
| Batteries Included | No |
| Best Sellers Rank | #26,135 in Pet Supplies ( See Top 100 in Pet Supplies ) #1,399 in Aquarium Accessories |
| Color | Blacks & Grays |
| Customer Reviews | 4.2 4.2 out of 5 stars (21,009) |
| Date First Available | 7 August 2012 |
| EU Energy Efficiency Label | High |
| Flavor | Flavorless |
| Item Form | Power |
| Item Weight | 658 g |
| Item model number | 25817 |
| Number of Items | 1 |
| Pet Life Stage | All Life Stages |
| Pet Type | Aquatics, Aquatics Filtration, Aquatics Filtration Internal Filters, PetSupplies |
| Product Dimensions | 12.4 x 13.67 x 25.88 cm; 657.71 g |
| Quantity | 1 |
| Size | Up to 30-Gallons |
| Specific Uses | Active |
| Volume | 5 Liters |
| batteries required | No |

## Images

![Tetra Whisper Internal Filter 10 To 30 Gallons, For aquariums, In-Tank Filtration With Air Pump - Image 1](https://m.media-amazon.com/images/I/41TPEHZxpRL.jpg)
![Tetra Whisper Internal Filter 10 To 30 Gallons, For aquariums, In-Tank Filtration With Air Pump - Image 2](https://m.media-amazon.com/images/I/51PTT5eqAQL.jpg)
![Tetra Whisper Internal Filter 10 To 30 Gallons, For aquariums, In-Tank Filtration With Air Pump - Image 3](https://m.media-amazon.com/images/I/71aTfYPCGIL.jpg)
![Tetra Whisper Internal Filter 10 To 30 Gallons, For aquariums, In-Tank Filtration With Air Pump - Image 4](https://m.media-amazon.com/images/I/810UwBWHt3L.jpg)
![Tetra Whisper Internal Filter 10 To 30 Gallons, For aquariums, In-Tank Filtration With Air Pump - Image 5](https://m.media-amazon.com/images/I/819DYCT3j8L.jpg)

## Questions & Answers

**Q: What size replacement filter cartridge for this unit...small, med?**
A: The Tetra Bio-Bag Large (formerly known as Regular) are the exact same as the filter bag supplied with the Tetra Whisper In-Tank filter 20i. I got both from Amazon: filter $11.89; 12 cartridges $12.28. These filters last a long time, can be cleaned and reused. For my purpose, this filter has been great.

**Q: Where can I just get the Bioscrubber?**
A: Hello. You can get it at a pet store, amazon has some, grocery stores with a pet section...they are pretty easy to find.

**Q: Would a small fish get sucked up in this filter? I have a 2 month old beta who is just recently getting color fins but still very small**
A: Yes. I had 4 neon tetras and all 4 ended up getting sucked into the filter and the spinning fan mechanism blended them into multiple pieces. It happened the first night, I woke up and 4 fish were missing. I found them in the filter :(

**Q: Would this filter be too strong for a Betta in a 10 gallon tank?**
A: Yes, it would be fine.  It is rated at 90 GPH which is the appropriate flow rate for a 10 gallon tank.  Bettas are not the strongest swimmers, it is true, but typically handle filtration fine, as long as it is placed at one end of the tank so they have room to move away if necessary. They eventually adapt and will often play in the flowing water.  Initially, you might want to place tall plants or tall décor in front of it to break up the flow until the betta becomes accustomed to it.  For additional assistance, please call the Tetra Consumer Relations Team at 1-800-526-0650.

## Customer Reviews

### ⭐ Disappointed !!!
*by T***Q on 7 April 2025*

Worst filter, don’t buy this…the motor dies in few hours and doesn’t work anymore.

### ⭐ Very bad experience
*by B***E on 23 August 2024*

Motor is not woking properly, very big broken sounds is coming out from the motor, request amazon to refund, very sad.

### ⭐ Stopped working after 30mins
*by S***B on 15 February 2023*

Product looked amazing but stopped working after 30mins…

## Frequently Bought Together

- Tetra Whisper Internal Filter 10 To 30 Gallons, For aquariums, In-Tank Filtration With Air Pump
- API TAP WATER CONDITIONER Aquarium Water Conditioner 16-Ounce Bottle
- Tetra Whisper Easy to Use Air Pump for Aquariums (Non-UL)

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*Product available on Desertcart South Korea*
*Store origin: KR*
*Last updated: 2026-03-08*