--- product_id: 296418594 title: "Fluval U4 Underwater Filter Foam Pad (Pack of 2)" brand: "fluval" price: "€ 47.56" currency: EUR in_stock: true reviews_count: 5 url: https://www.desertcart.pt/products/296418594-fluval-u4-underwater-filter-foam-pad-pack-of-2 store_origin: PT region: Portugal --- # Optimized pore size for water flow Custom-fit foam pad Long-lasting mechanical filtration Fluval U4 Underwater Filter Foam Pad (Pack of 2) **Brand:** fluval **Price:** € 47.56 **Availability:** ✅ In Stock ## Summary > 🧼 Keep your tank pristine with precision filtration—because your aquatic ecosystem deserves the best! ## Quick Answers - **What is this?** Fluval U4 Underwater Filter Foam Pad (Pack of 2) by fluval - **How much does it cost?** € 47.56 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pt](https://www.desertcart.pt/products/296418594-fluval-u4-underwater-filter-foam-pad-pack-of-2) ## 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 - • **Dual Pack Convenience:** Includes two foam pads so you’re always ready for maintenance without missing a beat. - • **Trusted Legacy Filtration:** From Fluval, pioneers of 3-stage filtration technology since 1975, delivering industry-leading quality. - • **Precision Fit, Zero Bypass:** Custom-made to snugly fit inside the Fluval U4 filter chamber, ensuring no debris escapes filtration. - • **Effortless Flow, Less Clogging:** Engineered pore size balances superior water flow with effective particle capture for extended filter life. - • **Versatile Aquatic Compatibility:** Perfectly suited for freshwater, marine, and reptile tanks—one pad, endless aquatic environments. ## Overview The Fluval U4 Underwater Filter Foam Pad pack of 2 offers custom-fit mechanical filtration designed specifically for the Fluval U4 filter. Its optimized pore size ensures efficient water flow with minimal clogging, capturing large particles and debris effectively. Suitable for freshwater, marine, and reptile tanks, these durable foam pads provide long-lasting performance and come from Fluval’s trusted legacy of innovative aquarium technology. ## Description The Fluval Bio-Foam Pad was designed specifically for the U4 Underwater Filter model to captures large particles and debris for effective mechanical filtration, the crucial first stage in the filtration process. Custom fit to prevent bypass, the pad has a pore size that allows efficient water flow with less clogging for long-lasting filtration. The Fluval Bio-Foam Pad is suitable for freshwater, marine or reptile environments. 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: Encaja bien - Deja el agua limpia. Review: Filtre. - Acheté pour un U4, l'eau est redevenu limpide. ## Features - Captures large particles and debris for effective mechanical filtration - Custom-made to fit perfectly inside the filter chamber to prevent debris bypass - Has a pore size that allows efficient water flow, less clogging and long-lasting filtration - Suitable for freshwater, marine or reptile environments - For Fluval U4 Underwater Filter; Includes 2 foam pads ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B001XRSSJ4 | | Allergen Information | Nut Free | | Best Sellers Rank | #83,559 in Pet Supplies ( See Top 100 in Pet Supplies ) #840 in Filter Accessories | | Brand | Fluval | | Brand Name | Fluval | | Customer Reviews | 4.7 out of 5 stars 1,572 Reviews | | Global Trade Identification Number | 00015561104883 | | Included Components | All items in description | | Item Form | Foam | | Item Type Name | Hagen FLUVAL U4 FOAM PAD | | Item Weight | 0.04 Kilograms | | Manufacturer | Rolf C. Hagen (USA) Corp | | Manufacturer Part Number | A488 | | Model Number | A488 | | Target Species | Fish | | UPC | 015561104883 | | Unit Count | 1.00 Count | ## Product Details - **Brand:** Fluval - **Item Weight:** 0.04 Kilograms - **Item Form:** Foam - **Manufacturer:** Rolf C. Hagen (USA) Corp - **UPC:** 015561104883 ## Images ![Fluval U4 Underwater Filter Foam Pad (Pack of 2) - Image 1](https://m.media-amazon.com/images/I/51mpiwLZeFL.jpg) ![Fluval U4 Underwater Filter Foam Pad (Pack of 2) - Image 2](https://m.media-amazon.com/images/I/61GZPhKPmbL.jpg) ![Fluval U4 Underwater Filter Foam Pad (Pack of 2) - Image 3](https://m.media-amazon.com/images/I/61wwa0BY8DL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Encaja bien *by L***A on 3 April 2024* Deja el agua limpia. ### ⭐⭐⭐⭐⭐ Filtre. *by Y***H on 14 March 2024* Acheté pour un U4, l'eau est redevenu limpide. ### ⭐⭐⭐⭐⭐ Sehr gut *by M***R on 5 January 2026* Super schnell, gutes Produkt, kenne ich schon lang. Vielen Dank!!!!!! ## Frequently Bought Together - Fluval U4 Bio-Foam Pad, Replacement Underwater Aquarium Filter Media, A488 - Fluval U Underwater Filter BioMax - Fluval U4 Poly-Carb Cartridge, Replacement Underwater Aquarium Filter Media, 2-Pack, A492 --- ## 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.pt/products/296418594-fluval-u4-underwater-filter-foam-pad-pack-of-2](https://www.desertcart.pt/products/296418594-fluval-u4-underwater-filter-foam-pad-pack-of-2) --- *Product available on Desertcart Portugal* *Store origin: PT* *Last updated: 2026-04-23*