---
product_id: 52677598
title: "Finest-Filters4 x Compatible with Tetratec EasyCrystal BioFoam 250/300"
brand: "finest-filters"
price: "$17.51"
currency: USD
in_stock: true
reviews_count: 8
url: https://www.desertcart.us/products/52677598-finest-filters4-x-compatible-with-tetratec-easycrystal-biofoam-250-300
store_origin: US
region: United States of America
---

# Easy snap-in replacement 4x high-efficiency foam pads Eco-friendly reusable frame fit Finest-Filters4 x Compatible with Tetratec EasyCrystal BioFoam 250/300

**Brand:** finest-filters
**Price:** $17.51
**Availability:** ✅ In Stock

## Summary

> 🧽 Upgrade your aquarium’s clarity game—because your fish deserve the best!

## Quick Answers

- **What is this?** Finest-Filters4 x Compatible with Tetratec EasyCrystal BioFoam 250/300 by finest-filters
- **How much does it cost?** $17.51 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/52677598-finest-filters4-x-compatible-with-tetratec-easycrystal-biofoam-250-300)

## Best For

- finest-filters enthusiasts

## Why This Product

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

## Key Features

- • **Eco-Smart Design:** Replace only the foam, reuse your existing plastic frame—less waste, more value
- • **Quad Pack Convenience:** Four premium foam pads to keep your aquarium crystal clear longer
- • **Effortless Maintenance:** Quick foam swaps mean more time enjoying your aquatic oasis, less time fussing
- • **Seamless Compatibility:** Perfectly fits Tetratec EasyCrystal BioFoam 250/300 frames for hassle-free swaps
- • **Reliable Filtration Boost:** Engineered to trap debris efficiently, ensuring pristine water quality every time

## Overview

This pack of four Finest-Filters replacement foam pads is designed to fit Tetratec EasyCrystal BioFoam 250/300 filter frames, providing an easy, eco-friendly way to maintain optimal filtration performance without replacing the plastic frame.

## Description

Finest-Filters4 x Compatible with Tetratec EasyCrystal BioFoam 250/300

## Features

- You are purchasing QTY 4 Tetratec EasyCrystal BioFoam 250/300 compatible replacement foams.
- These foams are a Finest-Filters filter compatible with Tetratec filter cartridge, which perform the same function.
- To use our filter pads, simply remove the old foam, retaining the plastic frame, and insert a Finest-Filters replacement foam filter pad.
- PLEASE NOTE: The plastic frame is NOT included, you are simply purchasing the foam which fits inside the plastic frame.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Number of Items | 1 |
| Quantity | 4 |
| Batteries required | No |
| Batteries Included | No |

## Images

![Finest-Filters4 x Compatible with Tetratec EasyCrystal BioFoam 250/300 - Image 1](https://m.media-amazon.com/images/I/91gvnnvdg3L.jpg)
![Finest-Filters4 x Compatible with Tetratec EasyCrystal BioFoam 250/300 - Image 2](https://m.media-amazon.com/images/I/518-QmEXDwL.jpg)
![Finest-Filters4 x Compatible with Tetratec EasyCrystal BioFoam 250/300 - Image 3](https://m.media-amazon.com/images/I/51-FB9jM3+L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great replacement filters
*by A***1 on 1 November 2023*

These are a great replacement to the filters that came with the aquarium. Fit fine and work well.

### ⭐⭐⭐⭐⭐ Works
*by M***L on 5 August 2023*

Good cheep replacement to keep my fish ta k clean thanks, quick delivery as well.

### ⭐⭐⭐⭐ Good product and service
*by G***Y on 23 September 2019*

As described, 4 not 5 stars as was a few days late being delived.

## Frequently Bought Together

- Finest-Filters 4 x Compatible with Tetratec EasyCrystal BioFoam 250/300
- Tetra EasyCrystal Filter Pack C250/300 filter material with activated carbon, filter pads for EasyCrystal internal filters, suitable for aquariums from 15-60 liters, 3 pieces, Green
- Tetra Aquarium Filter Foam For Easycrystal Biofoam 250/300, Black

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**Shop now:** [https://www.desertcart.us/products/52677598-finest-filters4-x-compatible-with-tetratec-easycrystal-biofoam-250-300](https://www.desertcart.us/products/52677598-finest-filters4-x-compatible-with-tetratec-easycrystal-biofoam-250-300)

---

*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-02-26*