Best Corisrx Best Of Your Lifestyle Aquarium Filter Accessories in 2026

🐟 25% MORE ACTIVATED CARBON - Aqueon Replacement Filter Cartridges are dual-sided, featuring dense-floss with over 25% more activated carbon than the leading brands.

🐟 HIGH-QUALITY ACTIVATED CARBON - The cartridge contains high-quality activated carbon that keeps water clean.

🐟 EVEN CARBON DISTRIBUTION - Aqueon’s patented cartridges were designed to ensure the even distribution of activated carbon.

UNASSEMBLED REPLACEMENT CARBON FILTER Keeps aquarium water crystal clear – removes odors and discoloration

CATCHES DEBRIS Dense dual-sided mesh filters debris and fish waste

FITS TETRA WHISPER WATER FILTERS Color coded to make it simple to remember which replacement cartridge size to purchase

Pre-cut for easy installation

For optimal performance, rinse first and replace approximately every 2 to 3 weeks

4 Count

REPLACEMENT FILTER CARTRIDGE: Pack of 6 fits Marineland Penguin PRO Power Filters 275 and 375; also fits original Penguin Power Filters 200 and 350.

EASY TO INSTALL: Pre-assembled cartridges slide easily into place, providing mechanical and chemical filtration and making replacement fast, dry and effortless.

THREE-STAGE FILTRATION: Mechanically filters water through a pad of double-thick poly fiber.

Foam traps particles and debris for mechanical filtration; tailored fit prevents bypass

Provides biological filtration as friendly bacteria grow inside pore structure

Replacement media designed to fit the AquaClear 50 filter

Combination of Fluval Carbon and Fluval Ammonia Remover helps protect the aquarium from toxic build-ups of ammonia

Chemical filter media eliminates water impurities, odors and discoloration

Opens up space inside the aquarium filter to include additional media if desired

Premium, research grade, low-ash carbon is porous and provides large amounts of surface area for absorption of impurities

Carbon filter media improves water clarity and color, while also removing odors

Ideal for use with most canister filters; for best results, replace every 4 weeks

Filter Compatibility: Compatible with Fluval Filter Series 106, 206, 306, 406, FX5, FX6, 105, 205, 305, 405, 104, 204, 304, and 404.

Water Clarification: BioMax is a premium-grade biological filter media that provides superior filtration and helps reduce and control ammonia and nitrate levels for a healthy nitrogen level in the water.

Ideal Environment: BioMax helps create crystal clear water, making ideal conditions for fish and plants in your tank. The complex porous design ensures optimal contact time as water passes through.

Mechanical filter media effectively traps micro particles and debris

Durable, extra thick, micro-fine polyester pads

Provides crystal clear aquarium water

2 LAYERS EQUALS CLEAR WATER: This unique 2 Layers in 1 filter media pad combines a typical aquarium filter pad with a water polishing pad. The top layer’s open fiber construction traps LARGER PARTICLES while the bottom layer's dense fiber network TRAPS FINER PARTICLES, working together to produce clean, clear water in your aquarium.

SEE THE DIFFERENCE: When you clean this aquarium fiber pad, see how much more debris it traps compared to other aquarium media pads. Your fish, turtles, and all aquatic pets will be happier and healthier.

CUT TO FIT: FilterFirst filter media aquarium pads can easily be cut to fit your filter. Our unique poly filter pad is PERFECT FOR FRESHWATER, REEF TANKS OR SALTWATER aquariums. Ideal filter pads for aquarium wet dry filters, and will also work in your sump, canister filter media, aquaponic system, and more. They’re also perfect as a turtle tank filter!

CARBON BAG FILTER MEDIA: Easy-to-use bags contain Black Diamond Premium Activated Carbon.

FOR CHEMICAL FILTRATION: Removes discoloration, odors and impurities in aquarium water.

COMPATIBILITY: Fits all Marineland C-Series and Magniflow Canister Filters – Rite-Size S, T and X.

Premium 2-in-1 chemical and mechanical filter media designed specifically for the Fluval 307/407 and 306/406 High Perfmorance Canister Filters

Effective at removing and controlling phosphate

Effectively traps floating particles for clear water (debris, excess food and waste)

Premium biological and mechanical filtration media designed specifically for the Fluval 306, 307 canister filters

Bio-Foam Max: 2-in-1 biological and mechanical filtration media with rippled surface pattern offers 30% more area for increased debris and waste capture

Bio-Foam: mechanical filtration media precision cut (no gaps) to prevent debris bypass and complex foam structure maintains consistent water flow

Dense Filter media provides superior mechanical filtration

Helps prevent obstructions in the biological media

Keeps your Aquarium water crystal clear!

Filter Compatibility: Compatible with Fluval Series Canister Filters 06, 07, FX, and more.

Water Clarification: ClearMax is a premium-grade resin chemical filter media that absorbs phosphate, nitrite, and nitrate. The filter media makes aquarium maintenance easier and reduces odors.

Ideal Environment: ClearMax helps create crystal clear water, making ideal conditions for fish and plants in your tank.

EXCLUSIVELY MADE FOR KOI PONDS - Our 1 inch thick Classic White Fine Koi Pond Filter Media provide excellent mechanical pond filtration for clean water while providing important oxygenation for your ornamental garden pond. Designed for ponds, but great for aquariums, too!

CRYSTAL CLEAR POND WATER - Place your koi pond filter pad in flowing water such as water being pumped through your pond skimmer box to trap to remove uneaten food, waste, decaying plants, detritus, and other large and fine floating particulates from the water. Changing filter pads regularly will increase water quality by removing solid organic compounds before they continue to break down and add additional nutrients to the water in your pond.

CUT TO FIT - Made in the USA! Our bulk Classic White Pond Filter Pads can easily be cut to any size needed and will save you even more money over purchasing ready-made, pre-cut filter media. This Pond Filtration Media is CONSTRUCTED OF DURABLE POLYESTER FIBERS bonded by our special resin to give it exceptional strength.

140 Rings / 0.7lb

Rated for 20-40 gal / total 3800 ft surface area, porous internal structure

Free media mesh bag with plastic zipper rust free

Premium Quality - Provides mechanical and enhances biological filtration, which is best in filtering dirty water and keeps filter efficient for prolonged life.

Removes Unwanted Particles - While keeping perfect water flow without any hesitation and won’t leave anything Behind and enhances working of the aquarium filter.

Dimensions - 15" (L) x 3.5" (W) x 1.5" (H) Perfect fit for Fluval FX4, FX5, & FX6 canister filters

DIMENSION: approx. 8.5x5cm/3.4x2 inch cylinder, the inside hole diamenter is 2.1cm/0.8 inch,please note these foam are pre filter sponges,so only have single hole.

ENHANCE FILTRATION: these pre-filter sponges could help to trap particles and debris,and prolong the life of your filter media,provide efficient water flow with less clogging for long lasting filtration.

A MUST HAVE ACCESSORIES FOR FISH TANK FILTER: premium pre-filter foam sponges can be quickly and easily attached to the fish tank intake tube stem, preventing small or weaker inhabitants from being drawn into the filter.

Strong Compatibility: The specific size of our aquarium filter cartridge is 5.5 in L x 3.1 in W. It is very suitable for Top Fin Silenstream Power Filters PF10. With this aquarium filter cartridge, you can keep your tank water healthy every moment. It contains 12 pack aquarium filter cottons, which you can change every 2-4 weeks.

Excellent Filtration Performance: The filter cotton is made of cotton and carbon and has 3-layer filtering effect, which can filter and absorb 99% of the sundries, so as to keep the water source clean and the healthy growth of fish.

Long-term Replacement of the Aquarium Filter: According to the test, the filter cotton has already withstood too much sundries for no more than four weeks, so you need to replace it with a new one to keep the water source healthy and clean at all time. Suggest to change filter cartridge every 2-4 weeks.

Premium quality dual-density aquarium and pond filter roll pad. The filter pad measures 12 inches wide by 72 inches long and is 3/4 inch thick. Save money by quickly and easily cutting this dual-density filtration media material to any size you need. There is no need to purchase the overpriced ready-made, pre-cut filter media material.

Thick filter pad that is constructed with durable polyester fibers that are bonded together for extra strength. The dual-layer filter has an open fiber top layer that traps larger particles while the bottom layer's dense, interlocking fiber traps fine particles, so the dual-density layers work together to ensure your aquarium water stays crystal clear.

This dual-density filter's superior filtration instantly improves the water quality by trapping smaller organic matter, uneaten food, excreted waste, decaying plants, and other debris. The filter pad is ideal for freshwater and saltwater aquariums as a prefilter for wet or dry filters, sumps systems, and canister filters. Still, it is also excellent for aquaponics systems, koi ponds, reefs, terrariums, etc.

5-stage clip-on power filter designed for freshwater and saltwater aquariums between 40 and 70 gallons

Two mechanical stages trap large and fine debris, foams easily slide out for quick cleaning

Chemical stage with activated carbon effectively removes toxins

Specifically designed for Fluval FX2, FX4, FX6 High Performance canister filters

Increases the amount of oxygen in your tank for healthier fish and plants

Distributes water evenly for delicate aquascapes and eliminates dead spots in your aquarium

🐟Perfect Compatibility for Aquarium Filter: Our ammonia reducer filer pads are very suitable for Quietflow LED PRO aquarium power filter 30 and 50 on the market. And the dimension of our filter pads is 4.13 x 0.7 x 0.7 inches. It contains 6 count filters cartridges, you can replace approximately every 2 to 3 weeks.

🐠Strong Purification Effect: Our Ammonia reducer filer pads can remove excess harmful or toxi c ammonia while trapping excess waste, food and other organic debris, so as to keep the water source clean and the healthy growth of fish or turtle. Use this minipad in addition to the main filter cartridge can keep your water healthy.

🐋Pre-cut for Easy Installation: The filer pads are pre-cut for easy and quick installation, or for quick replacement. Changing old and filthy filter pads takes less than 3 minutes, thereby improving time efficiency and doesn’t affect the overall water quality.【Kindly tip: For best performance, rinse before putting in the aquarium filter.】

🐠【12 Filter Media】These include volcanic rocks, medical stone, zeolite, coral sand, nanometer bacterial rings, infrared bacterial rings, biological beads, bio ball, activated carbon, infrared microspheres, ceramic rings and red breathing rings.

🐠【Easily Improve Water Quality】Placing filter material in fish tank and pond.The product can filter and purify water sources in an all-round way, improve the quality of aquarium water, resolve impurities, stabilize PH, clarify your water naturally and cultivate beneficial bacteria with these bio-balls.and create a good living environment for fish.

🐠【Work as a biological filter media】:Aquarium bio filter is excellent interaction between air and water and gas exchange. The Bio-balls can give a nice home for beneficial bacteria where they can settle and be fed by water and oxygen. They will also promote gas exchange and increase dissolved oxygen levels. So as to form a good ecological cycle.

Effectively absorbs particles and debris;Suitable for crystal clear aquarium water,freshwater and marine environments

Resolve impurities,Stabilize PH,Clarify your water naturally and cultivate beneficial bacteria with these bio-balls.

There is a hollow in the middle of the biological column filtering medium, can provide an anaerobic environment, reducing the content of nitrates in water, and promote more healthy water quality.

Improve water quality: the aquarium sponge can filter out many particles in the aquarium or fish tank, avoiding residues and reducing the mortality of fish, which can increase the solubility of oxygen in water

Safe and healthy material: the black aquarium filter sponge is made from bio sponge that is safe to use in seawater or freshwater fish tanks and glass containers; You can clean the filter foam easily, and use it repeatedly

Support to trim: measured about 9 x 9 x 1 inches, the bio media sponge can be trimmed into the size that you need; The included 3 pieces of aquarium filter sponge can be cut into some small sized filter foam that fit for your aquarium filter

We have 90days replacement and the refund service. All the emails will be replied within 24 hours. We have lifetime technique support, please feel free to contact us for any quality problem. We will do our best to help you.

Perfect Aquarium filter for aquatic turtle tanks, Reptiles, Amphibians, Frog, Cichlids, Newt or Fish tank in any aquarium up to 40 gallons

Easy to install,Water filter pump can be hung on the aquarium or fixed with sucker. Low water level capability(Lowest water level 1.6inch/4cm)

Best Quality - The aquarium filter sponge is made with the finest material that's specially tested to be aquatic pets safe and without dyes and weird smells. The thickness of three layer aquarium sponges makes it durable and suitable for your axolotl tank, cherry shrimp tank, and turtle tank!

Three Wishes Granted - The 3IN1 filter sponges come with 3 different layers with different sizes of open pores filter pads. Large, Minor, and Fine open cell foam sheet. Maximizing the filtration capacity and provide the purifying ability of mechanical, biological, and chemical filter media.

Improve Water Quality - The triple layers of bio filter pads can easily filter out all unwanted particles, such as food and other residues. And make the minor residues the nutrient source for growing the filtering organism by working the mechanical and biological filtration simultaneously on the second layer. Reduce the toxic ammonia and nitrite to make the biochemical cycle.