--- product_id: 2858700 title: "Fluval U2 Poly-Carb Cartridge, 2-Pack" brand: "fluval" price: "₩15721" currency: KRW in_stock: true reviews_count: 13 category: "Fluval" url: https://www.desertcart.kr/products/2858700-fluval-u2-poly-carb-cartridge-2-pack store_origin: KR region: South Korea --- # Compatible with freshwater & saltwater Dual-sided chemical filtration Polyester fine debris filter Fluval U2 Poly-Carb Cartridge, 2-Pack **Brand:** fluval **Price:** ₩15721 **Availability:** ✅ In Stock ## Summary > 🧬 Elevate your aquarium’s clarity with dual-action filtration mastery! ## Quick Answers - **What is this?** Fluval U2 Poly-Carb Cartridge, 2-Pack by fluval - **How much does it cost?** ₩15721 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/2858700-fluval-u2-poly-carb-cartridge-2-pack) ## Best For - fluval enthusiasts ## Why This Product - Trusted fluval brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Convenience:** Designed specifically for Fluval U2 Underwater Filter for seamless installation. - • **Trusted Legacy & Quality:** From Fluval, pioneers of 3-stage filtration technology since 1975. - • **Odor & Contaminant Defense:** Carbon side eliminates harmful liquids, colorants, and odors for crystal-clear water. - • **Dual-Action Filtration Power:** Two unique filter sides combine for unmatched chemical and debris removal. - • **Versatile Aquarium Compatibility:** Perfectly engineered for freshwater, saltwater, and reptile tanks alike. ## Overview The Fluval U2 Poly-Carb Cartridge 2-Pack features dual-sided chemical filtration with a polyester pad for fine debris and a carbon side for harmful substances and odors. Compatible with freshwater, saltwater, and reptile tanks, these cartridges are designed exclusively for the Fluval U2 Underwater Filter, ensuring optimal water purity and aquarium health backed by Fluval’s decades-long innovation legacy. ## Description Fluval U2 Poly-Carb Cartridges has two unique filtering sides that combine to provide thorough chemical filtration, the crucial second stage in the filtration process. The polyester filter pad side filters out fine debris and contaminants. The carbon side filters out harmful liquid substances, colorants and odors. The Fluval Poly-Carb Cartridge helps keep your aquarium healthy and clean. For more fish tank accessories, check out other Fluval products including aquarium filters, aquarium heaters, aquarium air pumps, aquarium lights, aquarium rocks, aquarium thermometers, and aquarium stands. Fluval has a wide variety of products that are perfect for your pet fish to enjoy in any large fish tank, small fish tank, saltwater tank or freshwater tank. Fluval broke onto the aquatic scene in 1975 by introducing the world’s first 3-stage filter with synchronous motor technology – a breakthrough that is still applied in the industry today. Since then, Fluval has built a legacy around this pioneering spirit, relentlessly adapting in a changing world to launch innovative aquarium products that remain at the forefront of technology, and which set the bar in quality, style and functionality. Fluval’s mission is not just about building products that mimic the natural world, but inspiring aquarists of all skill levels to enjoy and respect the hobby for generations to come. Review: Impressed with Results - I’ve been using the Fluval U2 Chemical Filter Cartridges for a few weeks now, and the difference in tank cleanliness is night and day. These cartridges do a fantastic job keeping my water clean and clear. The dual-sided design is especially effective—one side traps fine particles like debris and uneaten food, while the carbon side removes odors and discoloration. Within just a day or two of use, I noticed a significant improvement in water clarity and smell. I use them in a freshwater setup, but it’s great to know they’re also safe for saltwater and reptile tanks. Plus, installation in my Fluval U2 filter was quick and easy. If you’re looking for an efficient, no-fuss solution to maintaining a spotless tank, I highly recommend these cartridges. My fish seem happier, and I’m spending less time on water changes and tank maintenance! Review: Satisfied - Work well not a bad price ## Features - Chemical filter media with two unique filtering sides that combine to provide thorough chemical filtration - Polyester side filters out fine debris and contaminants - Carbon side filters out harmful liquid substances, colorants and odors - Suitable for freshwater, saltwater or reptile environments - Includes two cartridges designed for use with the Fluvial U2 Underwater Filter ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001XRR3YA | | Allergen Information | Nut Free | | Best Sellers Rank | #23,973 in Pet Supplies ( See Top 100 in Pet Supplies ) #218 in Aquarium Filter Accessories | | Brand | Fluval | | Brand Name | Fluval | | Customer Reviews | 4.8 out of 5 stars 2,539 Reviews | | Global Trade Identification Number | 00015561104906 | | Included Components | All items in description | | Item Form | Solid | | Item Type Name | Hagen FLUVAL U2 POLY/CARBON PAD | | Item Weight | 1.12 ounces | | Manufacturer | Rolf C. Hagen (USA) Corp. | | Manufacturer Part Number | A490 | | Model Number | A490 | | Number of Items | 1 | | Pet Type | Fish | | Target Species | Reptile | | UPC | 015561104906 | | Unit Count | 2 Count | | Warranty Description | Manufacturer Warranty | ## Product Details - **Brand:** Fluval - **Item Form:** Solid - **Item Weight:** 1.12 ounces - **Manufacturer:** Rolf C. Hagen (USA) Corp. - **Unit Count:** 2 Count ## Images ![Fluval U2 Poly-Carb Cartridge, 2-Pack - Image 1](https://m.media-amazon.com/images/I/61SrGfCi9vL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Impressed with Results *by F***E on July 2, 2025* I’ve been using the Fluval U2 Chemical Filter Cartridges for a few weeks now, and the difference in tank cleanliness is night and day. These cartridges do a fantastic job keeping my water clean and clear. The dual-sided design is especially effective—one side traps fine particles like debris and uneaten food, while the carbon side removes odors and discoloration. Within just a day or two of use, I noticed a significant improvement in water clarity and smell. I use them in a freshwater setup, but it’s great to know they’re also safe for saltwater and reptile tanks. Plus, installation in my Fluval U2 filter was quick and easy. If you’re looking for an efficient, no-fuss solution to maintaining a spotless tank, I highly recommend these cartridges. My fish seem happier, and I’m spending less time on water changes and tank maintenance! ### ⭐⭐⭐⭐⭐ Satisfied *by S***K on January 12, 2026* Work well not a bad price ### ⭐⭐⭐⭐⭐ These fluval U2 are perfect for my tank. It keeps the water crystal clear! *by G***I on December 31, 2022* I like this product because it fits perfectly in the canister, easy to use and it does what it promises! ## Frequently Bought Together - Fluval U2 Internal Filter Carbon Cartridge - Fluval U2 Internal Filter Foam Pad - Fluval U Internal Filters Clean and Clear Cartridge, White --- ## 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.kr/products/2858700-fluval-u2-poly-carb-cartridge-2-pack](https://www.desertcart.kr/products/2858700-fluval-u2-poly-carb-cartridge-2-pack) --- *Product available on Desertcart South Korea* *Store origin: KR* *Last updated: 2026-08-29*