--- product_id: 675326993 title: "driamor 6 Pack Filter Cartridge for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300, Medium Cotton Replacement Filter Cartridges with Ultra-Activated Carbon and Zeolite" price: "$22.05" currency: USD in_stock: true reviews_count: 9 url: https://www.desertcart.us/products/675326993-driamor-6-pack-filter-cartridge-for-tetra-easycrystal-filter-250 store_origin: US region: United States of America --- # 4-stage filtration system Ultra-activated carbon + zeolite combo Fits multiple Tetra filter models driamor 6 Pack Filter Cartridge for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300, Medium Cotton Replacement Filter Cartridges with Ultra-Activated Carbon and Zeolite **Price:** $22.05 **Availability:** ✅ In Stock ## Summary > 💧 Elevate your aquarium’s clarity and health—because your fish deserve the best! ## Quick Answers - **What is this?** driamor 6 Pack Filter Cartridge for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300, Medium Cotton Replacement Filter Cartridges with Ultra-Activated Carbon and Zeolite - **How much does it cost?** $22.05 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/675326993-driamor-6-pack-filter-cartridge-for-tetra-easycrystal-filter-250) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Effortless Maintenance:** Quick swap design with easy rinse prep keeps your tank fresh without hassle - • **Powerful Zeolite Boost:** Absorbs ammonia & heavy metals, stabilizing pH for a thriving aquatic ecosystem - • **Quadruple-Action Purity:** Four-layer filtration traps impurities for crystal-clear water - • **Universal Compatibility:** Seamlessly fits Tetra EasyCrystal 250/300 & Whisper IQ10 filters - • **Optimized Aquarium Health:** Supports faster aquatic plant growth and healthier fish with balanced water chemistry ## Overview The driamor 6 Pack Filter Cartridge offers a robust four-stage filtration system combining dense dual-sided mesh, ultra-activated carbon, and multifunctional zeolite. Designed for Tetra EasyCrystal 250/300 and compatible Whisper filters, these medium-sized cartridges efficiently remove impurities, balance pH, and promote aquatic plant growth. Easy to install and recommended for replacement every 2-4 weeks, they ensure a consistently clean and healthy environment for your aquatic life. ## Description Product Description Fish Tank Filter Replacement Cartridge This fish tank filter sponges is compatible for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300, suitable for aquariums from 15-60 liters. 4-Stage Filtration Cotton-Zeolite-Activated Carbon-Cotton , 4 layers of filtration, effectively cleans your fish tank and maintains a comfortable and clean environment. Aquarium Filter Cartridge for Tetra Filter 250/300. Review: Works well - Works well cheaper the big brand name ,,,,, Review: Effective - Does what it says on the packet ## Features - 【Fish Filter Cartridge for Tetra EasyCrystal】This aquarium filter cartridge is compatible with Tetra EasyCrystal internal Filter 250 and EasyCrystal FilterBox 300, Whisper Bio-Bag External Filter PF10 and Whisper External IQ10 and TetraFauna ReptoFilter 20 gallons (90 GPH). - 【Four-Stage Filtration】The fish tank filter cartridges adopts a dense dual-sided mesh, Ultra-Activated carbon and zeolite, a four-layer filtration system. The dual-sided mesh has a better filtration effect. The super activated carbon and zeolite can effectively filter and absorb impurities in the water, keep the water source clean, and provide a healthy growth environment for aquatic organisms. - 【Multifunctional Zeolite】Zeolite can absorb harmful components such as ammonia and heavy metals in water. It can effectively balance the pH value of the water body and achieve a stable water balance state. It can also improve the fertilization efficiency of aquatic plants, making your aquatic plants grow faster and your life more comfortable and healthier. - 【Easy Installation】Turn off the filter, take out the used filter element, and rinse the new filter element in running water or aquarium water to remove dust. After rinsing, insert the filter element into the filter and make sure the filter element is fully installed in the filter. - 【Size Information】Medium Remplacement Filter Cartridges, Unit Size: 14 * 8.9 cm. We recommend that you replace the filter cartridge every 2-4 weeks to maintain water quality.(It depends on the number of fish in fish tank). ## Technical Specifications | Specification | Value | |---------------|-------| | Number of Layers | 4 | | Size | 6 | | Unit Count | 6.0 count | ## Product Details - **Size:** 6 - **Brand:** driamor - **Number of layers:** 4 - **Unit count:** 6.0 count ## Images ![driamor 6 Pack Filter Cartridge for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300, Medium Cotton Replacement Filter Cartridges with Ultra-Activated Carbon and Zeolite - Image 1](https://m.media-amazon.com/images/I/717p3dWvBvL.jpg) ![driamor 6 Pack Filter Cartridge for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300, Medium Cotton Replacement Filter Cartridges with Ultra-Activated Carbon and Zeolite - Image 2](https://m.media-amazon.com/images/I/81O9c3GY1-L.jpg) ![driamor 6 Pack Filter Cartridge for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300, Medium Cotton Replacement Filter Cartridges with Ultra-Activated Carbon and Zeolite - Image 3](https://m.media-amazon.com/images/I/81BbssHEwjL.jpg) ![driamor 6 Pack Filter Cartridge for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300, Medium Cotton Replacement Filter Cartridges with Ultra-Activated Carbon and Zeolite - Image 4](https://m.media-amazon.com/images/I/71Hr90jtCqL.jpg) ![driamor 6 Pack Filter Cartridge for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300, Medium Cotton Replacement Filter Cartridges with Ultra-Activated Carbon and Zeolite - Image 5](https://m.media-amazon.com/images/I/714VOLWpwiL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well *by J***Y on 10 July 2026* Works well cheaper the big brand name ,,,,, ### ⭐⭐⭐⭐ Effective *by I***L on 29 January 2026* Does what it says on the packet ### ⭐⭐⭐⭐⭐ Fish tank filters *by N***A on 3 January 2026* Really great value and do the job off keeping the tank clean. ## Frequently Bought Together - 6 Pack Fish Tank Filter Cartridge with Ultra-Activated Carbon and Zeolite, Medium Replacement Filter Cartridges for Tetra EasyCrystal Filter 250 and EasyCrystal FilterBox 300 - Tetra SafeStart Aquarium Starter - with live nitrifying bacteria, allows the rapid introduction of fish in an aquarium, 50 ml bottle. - Fish Tank Aquarium Gravel Cleaner, Quick Water Changer Fish Tank Sand Vacuum Cleaner Kit with Air-Pressing Button, Aquarium Siphon Vacuum Cleaner with Fish Tank Net for Water Changing Cleaning Gravel --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/675326993-driamor-6-pack-filter-cartridge-for-tetra-easycrystal-filter-250](https://www.desertcart.us/products/675326993-driamor-6-pack-filter-cartridge-for-tetra-easycrystal-filter-250) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-27*