{"title":"Best-Selling Replacement Cartridges","description":"","products":[{"product_id":"16-pack-large-filter-cartridges-10-pcs-ammonia-reducer-pads-compatible-with-aqueon-quietflow-power-filter-size-20-30-50-75-e-internal-power-filter-size-40-and-canister-filter-size-200-300-400","title":"Large Filter Cartridges with Ammonia Reducer Pads, Compatible with Aqueon QuietFlow Power Filter Size 20,30,50,75 \/ E Internal Power Filter Size 40 and Canister Filter Size 200\/300\/400","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Wide Compatibility】Measuring 6.7 x 5.5 inches, these large filter cartridges work with Aqueon QuietFlow LED PRO Power Filters (Sizes 20,30,50,75), QuietFlow Power Filters (Sizes 20,30,50,55\/75), QuietFlow E Internal Size 40, QuietFlow Canister Filters (Sizes 200,300,400), and Zilla Size 40.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e【Multiple Pack Options】Choose the quantity that best fits your aquarium maintenance needs: 6 filter cartridges with 3 ammonia reducer pads, 12 filter cartridges with 6 ammonia reducer pads, or 18 filter cartridges with 9 ammonia reducer pads. Each set provides complete mechanical, chemical, and ammonia-reducing filtration for medium to large aquariums.\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【5-Layer High-Efficiency Filtration System】Each cartridge combines dense double-sided mesh, ultra-activated carbon, and processed zeolite to trap debris, absorb odors, remove heavy metals, and help balance pH. The ammonia reducer pads add an extra layer of protection against harmful ammonia spikes – simply cut to fit your filter (some dust may appear during cutting).\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Quick and Tool-Free Installation】Turn off the filter, remove the used cartridge, and rinse the new one under clean water to remove dust. Insert the cartridge into the filter chamber with the “FRONT” side facing out. The ammonia reducer pads can be cut to the desired length (a little dust may appear during cutting). The entire process takes only seconds – no tools required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e【Cost-Effective Value Packs】Available in three convenient bundle sizes—6 cartridges with 3 ammonia reducer pads, 12 cartridges with 6 ammonia reducer pads, or 18 cartridges with 9 ammonia reducer pads. Select the pack that matches your replacement schedule and enjoy an economical way to maintain cleaner, healthier aquarium water.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AquariumFilterSupply","offers":[{"title":"6 cartridges+3 ammonia reducer pads","offer_id":46914451800263,"sku":null,"price":16.99,"currency_code":"USD","in_stock":true},{"title":"12 cartridges+6 ammonia reducer pads","offer_id":46914451833031,"sku":null,"price":23.99,"currency_code":"USD","in_stock":true},{"title":"18 cartridges+9 ammonia reducer pads","offer_id":46914451865799,"sku":null,"price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4573\/7159\/files\/1_5f9cbcc1-6792-408f-af86-a582441acd0e.jpg?v=1784345484"},{"product_id":"8-pack-medium-fish-filter-cartridges-replacement-compatible-with-quietflow-led-pro-power-size-10-e-internal-power-20-filter-zilla-size-20extra-4pcs-pads","title":"Medium Fish Filter Cartridges Replacement with Ammonia Reducer Filter Pads Compatible with QuietFlow LED PRO Power Size 10\/E Internal Power 20 Filter\/Zilla Size 20","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Highly Compatible】: our filter cartridges replacement compatible with QuietFlow LED PRO Power Filter Size 10, QuietFlow Power Filter Size 10, QuietFlow E Internal Power Filter Size 20, Aquatic Reptile Internal Filters Size 20, QuietFlow Internal Shrimp Size 10 and Zilla size 20.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Extra Ammonia Reducer Filter Pads】: ammonia reducer filter pads, compatible with QuietFlow Filters. The filter pads can be cut to length to suit your needs, providing greater flexibility of fit and peace of mind as they work with the filter cartridge to efficiently filter out a wide range of contaminants.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【5 in 1 Filter Cartridge】: ①double-sided encrypted filter, highly efficient filtration of a variety of impurities. ②Activated Carbon Reinforcement Layer: 80% more activated carbon content, continuous adsorption for up to 28 days. ③Zeolite balance layer: 20% zeolite long-lasting balance PH value, to achieve a stable water state. ④Ammonia Reducer Filter Pads:These filter media pads reduce ammonia spikes and toxic buildup, promoting a healthy environment for fish and plants.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Ready to use】: 2 Steps to Simple Replacement:①Pre-encapsulated filter media to prevent carbon leakage, say goodbye to the traditional filter cartridge carbon pollution. ②Reinforced ABS frame to resist deformation, fit Aqueon tightly. ③No assembly, 30 seconds to complete the replacement process.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Warm Tip】:Testing shows that filter cartridges can lose effectiveness after four weeks. For best results, we recommend replacing them every 2 to 4 weeks.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AquariumFilterSupply","offers":[{"title":"6Pack Cartridges+3Filter Pads","offer_id":46914401632455,"sku":null,"price":13.99,"currency_code":"USD","in_stock":true},{"title":"12Pack Cartridges+6Filter Pads","offer_id":46914401665223,"sku":null,"price":22.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4573\/7159\/files\/1_3f3df37a-abdd-46c8-877e-e434a536f100.jpg?v=1784345560"},{"product_id":"16-pack-small-filter-cartridges-replacement-filter-cartridges-compatible-with-aqueon-quietflow-e-series-internal-power-filter-size-10-and-1-2-5-5-gallon-minibow-aquarium-filters","title":"Small Aquarium Filter Cartridges Replacement Compatible with Aqueon QuietFlow E Series Internal Power Filter (Size 10) and 1\/2.5\/5 Gallon Minibow Aquarium Filters","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Wide Compatibility】Measuring 2.58 × 3.62 inches, this filter cartridge is compatible with Aqueon QuietFlow E Series Size 10 Internal Power Filter, QuietFlow Size 10 Internal Shrimp Filter, and Minibow Aquarium Filters (1\/2.5\/5 Gallon). Designed specifically for small tanks, it provides a precise and secure fit.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Four-Stage Efficient Filtration System】The filter cartridge features a dense double-sided mesh combined with ultra-activated carbon and processed zeolite. It effectively traps impurities, heavy metals, and other harmful substances in water while helping to stabilize pH levels. This keeps the water clean and provides a healthier environment for your fish.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Quick and Tool-Free Installation】Remove the used cartridge, rinse the new one under cool water to remove dust, align the bottom slot, and push it fully into the filter chamber. The entire process takes just seconds – no tools required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Smart Replacement Advice】To maintain good water quality, it is recommended to replace the filter cartridge every 2–4 weeks depending on the number of fish. This will help maintain a stable aquarium ecosystem.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Satisfaction Guarantee】 We maintain strict quality control to ensure compatibility with your filter. If you have any questions, please feel free to contact us. We provide prompt and friendly after-sales support.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AquariumFilterSupply","offers":[{"title":"6 pack","offer_id":46913414136007,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true},{"title":"12 pack","offer_id":46913414168775,"sku":null,"price":13.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4573\/7159\/files\/1_bdf2f5cd-7d3e-4925-8665-c8b6d1ed5c3e.jpg?v=1784345643"},{"product_id":"small-aquarium-filter-cartridges-replacement-compatible-with-aqueon-quietflow-e-series-internal-power-filter-size-10-and-1-2-5-5-gallon-minibow-aquarium-filters","title":"Small Aquarium Filter Cartridges Replacement Compatible with Aqueon QuietFlow E Series Internal Power Filter (Size 10) and 1\/2.5\/5 Gallon Minibow Aquarium Filters","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Wide Compatibility】Measuring 2.58 × 3.62 inches, this filter cartridge is compatible with Aqueon QuietFlow E Series Size 10 Internal Power Filter, QuietFlow Size 10 Internal Shrimp Filter, and Minibow Aquarium Filters (1\/2.5\/5 Gallon). Designed specifically for small tanks, it provides a precise and secure fit.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Four-Stage Efficient Filtration System】The filter cartridge features a dense double-sided mesh combined with ultra-activated carbon and processed zeolite. It effectively traps impurities, heavy metals, and other harmful substances in water while helping to stabilize pH levels. This keeps the water clean and provides a healthier environment for your fish.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Quick and Tool-Free Installation】Remove the used cartridge, rinse the new one under cool water to remove dust, align the bottom slot, and push it fully into the filter chamber. The entire process takes just seconds – no tools required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Smart Replacement Advice】To maintain good water quality, it is recommended to replace the filter cartridge every 2–4 weeks depending on the number of fish. This will help maintain a stable aquarium ecosystem.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Satisfaction Guarantee】 We maintain strict quality control to ensure compatibility with your filter. If you have any questions, please feel free to contact us. We provide prompt and friendly after-sales support.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AquariumFilterSupply","offers":[{"title":"8 Pack","offer_id":46914480636103,"sku":null,"price":13.99,"currency_code":"USD","in_stock":true},{"title":"16 Pack","offer_id":46914480668871,"sku":null,"price":19.99,"currency_code":"USD","in_stock":true},{"title":"32 Pack","offer_id":46928296345799,"sku":null,"price":38.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4573\/7159\/files\/6_9fb11713-6e35-4bc5-bb60-77f975d076d6.jpg?v=1785271405"},{"product_id":"small-aquarium-filter-cartridges-replacement-compatible-with-aqueon-quietflow-e-series-internal-power-filter-size-10-and-1-2-5-5-gallon-minibow-aquarium-filters-1","title":"Small Aquarium Filter Cartridges Replacement Compatible with Aqueon QuietFlow E Series Internal Power Filter (Size 10) and 1\/2.5\/5 Gallon Minibow Aquarium Filters","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Wide Compatibility】Measuring 2.58 × 3.62 inches, this filter cartridge is compatible with Aqueon QuietFlow E Series Size 10 Internal Power Filter, QuietFlow Size 10 Internal Shrimp Filter, and Minibow Aquarium Filters (1\/2.5\/5 Gallon). Designed specifically for small tanks, it provides a precise and secure fit.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Four-Stage Efficient Filtration System】The filter cartridge features a dense double-sided mesh combined with ultra-activated carbon and processed zeolite. It effectively traps impurities, heavy metals, and other harmful substances in water while helping to stabilize pH levels. This keeps the water clean and provides a healthier environment for your fish.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Quick and Tool-Free Installation】Remove the used cartridge, rinse the new one under cool water to remove dust, align the bottom slot, and push it fully into the filter chamber. The entire process takes just seconds – no tools required.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Smart Replacement Advice】To maintain good water quality, it is recommended to replace the filter cartridge every 2–4 weeks depending on the number of fish. This will help maintain a stable aquarium ecosystem.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\u003cspan class=\"a-list-item\"\u003e【Satisfaction Guarantee】 We maintain strict quality control to ensure compatibility with your filter. If you have any questions, please feel free to contact us. We provide prompt and friendly after-sales support.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AquariumFilterSupply","offers":[{"title":"6 Pack","offer_id":46914495381703,"sku":null,"price":9.99,"currency_code":"USD","in_stock":true},{"title":"12 Pack","offer_id":46914495414471,"sku":null,"price":14.99,"currency_code":"USD","in_stock":true},{"title":"24 Pack","offer_id":46928315089095,"sku":null,"price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4573\/7159\/files\/1_9db4d6f0-dc6e-46c8-8d34-c621d65b4129.jpg?v=1785271877"},{"product_id":"medium-fish-filter-cartridges-replacement-with-ammonia-reducer-filter-pads-compatible-with-quietflow-led-pro-power-size-10-e-internal-power-20-filter-zilla-size-20","title":"Medium Fish Filter Cartridges Replacement Compatible with QuietFlow LED PRO Power Size 10\/E Internal Power 20 Filter\/Zilla Size 20","description":"\u003cul class=\"a-unordered-list a-vertical a-spacing-mini\"\u003e\n\u003cli class=\"a-spacing-mini\"\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e【Wide Compatibility】These medium replacement filter cartridges are compatible with Aqueon QuietFlow LED PRO Power Filter Size 10, QuietFlow Power Filter Size 10, QuietFlow E Internal Power Filter Size 20, Aquatic Reptile Internal Filter Size 20, QuietFlow Internal Shrimp Filter Size 10, and Zilla Filter Size 20. Please check your filter model and cartridge size before purchasing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e【5-Layer Filtration Design】Each cartridge features a multi-layer filtration structure with dense double-sided mesh, activated carbon, and processed zeolite. The filtration layers help capture debris, reduce odors and discoloration, and support cleaner, clearer aquarium water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e【Enhanced Activated Carbon】The activated carbon layer provides effective adsorption of impurities, unpleasant odors, and water discoloration. The carbon is securely enclosed inside the cartridge to help reduce loose particles and provide consistent filtration.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e【Quick and Easy Replacement】Rinse the cartridge under clean water before use, remove the old cartridge, and insert the new one into the filter chamber with the correct side facing forward. The reinforced frame helps the cartridge maintain its shape and fit securely without tools or assembly.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e【Recommended Replacement Schedule】For consistent filtration performance, replace the cartridge every 2 to 4 weeks. Replacement frequency may vary depending on aquarium size, fish population, feeding habits, and overall water conditions.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AquariumFilterSupply","offers":[{"title":"8 Pack","offer_id":46914506096839,"sku":null,"price":13.99,"currency_code":"USD","in_stock":true},{"title":"16 Pack","offer_id":46914506129607,"sku":null,"price":24.99,"currency_code":"USD","in_stock":true},{"title":"32 Pack","offer_id":46914506162375,"sku":null,"price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4573\/7159\/files\/5_32c8ace9-b8bb-4a85-8646-0743db37d363.jpg?v=1785272104"},{"product_id":"large-filter-cartridges-compatible-with-aqueon-quietflow-power-filter-sizes-20-30-50-75-e-internal-power-filter-size-40-and-canister-filter-sizes-200-300-400","title":"Large Filter Cartridges Compatible with Aqueon Filter, for QuietFlow Filter LED PRO Size 20,30,50,75\/Power Filter Size 20,30,50,55\/75, E Internal Size 40, Canister Filter Size 200\/300\/400","description":"\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e【Wide Compatibility】Measuring approximately 6.7 x 5.5 inches, these large filter cartridges are compatible with Aqueon QuietFlow LED PRO Power Filters Sizes 20, 30, 50, and 75; QuietFlow Power Filters Sizes 20, 30, 50, and 55\/75; QuietFlow E Internal Power Filter Size 40; QuietFlow Canister Filters Sizes 200, 300, and 400; and Zilla Power Filter Size 40. Please check your filter model and cartridge size before purchasing.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e【Multiple Pack Options】Available in convenient 6-pack, 12-pack, and 18-pack options, allowing you to choose the quantity that best fits your aquarium maintenance routine. These replacement cartridges are ideal for medium to large aquariums and help keep extra filter media readily available.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e【5-Layer High-Efficiency Filtration】Each cartridge features a multi-layer filtration design with dense double-sided mesh, activated carbon, and processed zeolite. The layered construction helps capture debris, reduce unpleasant odors and discoloration, and maintain cleaner, clearer aquarium water.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan\u003e【Quick and Tool-Free Installation】Turn off the filter, remove the used cartridge, and rinse the new cartridge under clean water to remove loose carbon dust. Insert it into the filter chamber with the “FRONT” side facing outward. No tools or complicated setup are required.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e【Cost-Effective Replacement Cartridges】Choose from 6, 12, or 18 replacement cartridges based on your tank size and replacement schedule. The value-pack options provide an economical and convenient way to maintain consistent filtration and support a cleaner, healthier aquarium environment.\u003c\/span\u003e\u003c\/p\u003e","brand":"AquariumFilterSupply","offers":[{"title":"8 Pack","offer_id":46914523627719,"sku":null,"price":15.99,"currency_code":"USD","in_stock":true},{"title":"16 Pack","offer_id":46914523660487,"sku":null,"price":23.99,"currency_code":"USD","in_stock":true},{"title":"32 Pack","offer_id":46914523693255,"sku":null,"price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4573\/7159\/files\/4_583a84d8-099a-4ba7-bd5c-64826001739b.jpg?v=1785272678"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0796\/4573\/7159\/collections\/2_8bd56b53-335c-476c-88a9-620190dd215b.jpg?v=1785340096","url":"https:\/\/aquariumfiltercartridges.com\/collections\/proven-bestsellers.oembed","provider":"AquariumFilterSupply","version":"1.0","type":"link"}