---
product_id: 21442900
title: "4x Bio Sponge Filter Betta Fry Aquarium Fish Tank Double Sponge (S)"
brand: "brand: other aquarium filters"
price: "€ 32.37"
currency: EUR
in_stock: true
url: https://www.desertcart.hr/products/21442900-4x-bio-sponge-filter-betta-fry-aquarium-fish-tank-double
store_origin: HR
region: Croatia
---

# 4x Bio Sponge Filter Betta Fry Aquarium Fish Tank Double Sponge (S)

**Brand:** brand: other aquarium filters
**Price:** € 32.37
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** 4x Bio Sponge Filter Betta Fry Aquarium Fish Tank Double Sponge (S) by brand: other aquarium filters
- **How much does it cost?** € 32.37 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/21442900-4x-bio-sponge-filter-betta-fry-aquarium-fish-tank-double)

## Best For

- brand: other aquarium filters enthusiasts

## Why This Product

- Trusted brand: other aquarium filters brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

4x Bio Sponge Filter Betta Fry Aquarium Fish Tank Double Sponge (S) b117

## Features

- 4x Bio Sponge Filter Betta Fry Aquarium Fish Tank Double Sponge (S) XY-2831 Easy-to use biological filter for tropical aquarium fish Aquarium filter sponge for efficient biological filtration Great biological filter for breeding or spawning aquariums Produced from high quality hydrophilic filter material. Multi-strata design provides large surface area for optimum filtration. Provides the ideal location for bacterial colonization. Operated by an air pump to create numerous minute bubbles to increase dissolved oxygen content. Replaceable filter sponge allow long lasting use. Does not trap fish fry. Suitable filter when breeding and spawning Discus, Dwarf cichlids, guppies, and killifish.
- These filters allow you to cultivate nitrifying bacteria for superb biological filtration. Great for fry aquariums and brine shrimp hatcheries because they prevent young fry from being trapped in the filter media. Operates silently, creating numerous minute bubbles for increased oxygen flow. Each requires an air pump and airline tubing, sold separately.

## Images

![4x Bio Sponge Filter Betta Fry Aquarium Fish Tank Double Sponge (S) - Image 1](https://images-na.ssl-images-amazon.com/images/I/51WrT8Vl-wL.jpg)

---

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**Shop now:** [https://www.desertcart.hr/products/21442900-4x-bio-sponge-filter-betta-fry-aquarium-fish-tank-double](https://www.desertcart.hr/products/21442900-4x-bio-sponge-filter-betta-fry-aquarium-fish-tank-double)

---

*Product available on Desertcart Croatia*
*Store origin: HR*
*Last updated: 2026-05-20*