--- product_id: 29318039 title: "CPF6C3 Cascade Hang-on Power Filter Replacement Media- Pack of 1 (3 count)" brand: "penn-plax" price: "Β£10.01" currency: GBP in_stock: true url: https://www.desertcart.co.uk/products/29318039-cpf6c3-cascade-hang-on-power-filter-replacement-media-pack-1 store_origin: GB region: United Kingdom --- # 20 GPH flow rate 3-pack replacement set Triple-layer filtration CPF6C3 Cascade Hang-on Power Filter Replacement Media- Pack of 1 (3 count) **Brand:** penn-plax **Price:** Β£10.01 **Availability:** βœ… In Stock ## Summary > πŸ’§ Elevate your aquarium’s clarity β€” don’t let your fish settle for less! ## Quick Answers - **What is this?** CPF6C3 Cascade Hang-on Power Filter Replacement Media- Pack of 1 (3 count) by penn-plax - **How much does it cost?** Β£10.01 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/29318039-cpf6c3-cascade-hang-on-power-filter-replacement-media-pack-1) ## Best For - penn-plax enthusiasts ## Why This Product - Trusted penn-plax brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Hassle-Free Swap:** No assembly needed, snap-in replacement keeps hands clean - β€’ **Tailored Fit, Zero Gaps:** Precision-cut to perfectly seal Cascade 20 filter tray - β€’ **Versatile Aquarium Care:** Ideal for both freshwater & saltwater tanks - β€’ **Crystal Clear Water, Fast:** Activated carbon traps odors & toxins within 24 hours - β€’ **Triple Defense Filtration:** Poly-fiber floss screens debris + activated carbon purifies ## Overview The Penn-Plax CPF6C3 is a 3-pack of replacement filter cartridges designed exclusively for the Cascade 20 GPH Mini Hang-On Power Filter. Featuring activated carbon and poly-fiber floss, these cartridges efficiently remove odors, toxins, and debris to maintain crystal-clear, healthy water in both freshwater and marine aquariums. Each cartridge fits perfectly with no gaps, ensuring maximum filtration performance with easy, no-mess installation. ## Description The Penn Plax Cascade 20 GPH Filter Cartridges with Activated Carbon will improve the quality of your aquarium water and keep your fish healthy. This 3 Pack of Filter Cartridge Replacements is designed to fit the Cascade Mini 20 GPH Hang-On Power Filter and will last 6 to 12 weeks depending on the condition of your tank. Activated carbon is great for freshwater aquarium filtration. It has the ability to not only visually clear the water; but trap pollutants in the pores of the carbon so they do not enter the water. This filter cartridge will remove ammonia; nitrites; odors and other harmful toxins from your aquarium to keep it healthy. It has a poly-fiber floss barrier which screens out particulate matter and debris for an extra layer of protection. Within 24 hours you will see a drastic difference in the water quality. Each filter cartridge is perfectly measured to fit into the Cascade 20 Mini Hang On Filter tray without any gaps preventing debris and contaminants from entering back into the water. This filter cartridge is suitable for both freshwater and marine environments. When used together; the Cascade 20 GPH Filter Model CPF6 and Cascade Filter Cartridges provide maximum protection against water pollutants from harming your fish. This is for one package with three replacement cartridges. Special Packs of Three Replacement Cartridges are available for the following Cascade Hang-On Power Filters: β€’ Cascade 20 uses Replacement Model number CPF6C3 (3 cartridges) β€’ Cascade 80 uses Replacement Model number CPF1C3 (3 cartridges) β€’ Cascade 100 uses Replacement Model number CPF2C3 (3 cartridges) β€’ Cascade 150 uses Replacement Model number CPF34C3 (3 cartridges) β€’ Cascade 200 uses Replacement Model number CPF34C3 (3 cartridges) β€’ Cascade 300 uses Replacement Model number CPF5C3 (3 cartridges) ## Features - Keep your water clean and clear with a genuine Penn Plax filter cartridge to fit your Cascade 20 GPH Mini hang-on power filter model CPF6. Pack of 3. - Activated carbon is great for freshwater aquarium filtration. It has the ability to remove odors; and water discoloration by trapping the pollutants in the pores of the carbon. - The poly-fiber floss barrier screens out particulate matter and debris keeping the water clean; clear; and healthy. - No assembly required keeping your hands clean. Easily install into interior compartment of your hang on filter. Suitable for freshwater and saltwater tanks. - Perfectly measured to fit into the Cascade 20 filter tray without any gaps preventing debris and contaminants from passing through back into the water. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Penn Plax, INC. | | Part Number | CPF6C3 | | Item Weight | 1.6 ounces | | Product Dimensions | 0.65 x 4.1 x 6.6 inches | | Item model number | CPF6C3 | | Is Discontinued By Manufacturer | No | | Size | Cascade 20 filter (3pack) | | Color | No Color | | Material | Plastic | | Item Package Quantity | 1 | | Usage | Indoor | | Included Components | Penn-Plax CPF6C3 Cascade Hang-on Power Filter Replacement Cartridges - Pack of 1 (3 Count) | | Batteries Included? | No | | Batteries Required? | No | | Warranty Description | Warranty | ## Images ![CPF6C3 Cascade Hang-on Power Filter Replacement Media- Pack of 1 (3 count) - Image 1](https://m.media-amazon.com/images/I/81GILK+zXlL.jpg) ## Available Options This product comes in different **Size** options. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/29318039-cpf6c3-cascade-hang-on-power-filter-replacement-media-pack-1](https://www.desertcart.co.uk/products/29318039-cpf6c3-cascade-hang-on-power-filter-replacement-media-pack-1) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-19*