Best Fluval Filters Filter Media in 2026

Chemical filter media designed specifically for the Fluval Flex/Spec/Evo aquarium filters

Effective at removing and reducing nitrite

Helps prevent fish loss and supports beneficial bacteria for a healthier aquatic environment

FILTER: The Tidal Foam Filter Sponge acts as a mechanical filter, trapping detritus and other large particles within your tank or aquarium.

ENVIRONMENT: The Tidal Foam Filter Sponge is fundamental to maintaining a healthy environment, removing solid or undissolved particles from floating throughout the water.

SCREENING: The screening effect of the Tidal Foam Filter Sponge removes particles in the water simply because they are too big to pass through the pores of the filter.

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

Fluval Foam Filter Block provides effective mechanical filtration by trapping large particles and debris

Biological activity will eventually occur in pore structure

Filter media helps create crystal clear, sparkling aquarium water for healthier aquarium environment

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

Performs double duty as both mechanical and chemical filter media

Pad traps small particles and debris for mechanical filtration

Carbon helps remove odors, discolorations, heavy metals and organic contaminants for chemical filtration

Mechanical filter media captures large particles and debris

Custom fit to prevent debris bypass

Ideal pore size allows efficient water flow and longer media lifespan

GENUINE HEPA PET PURE REPLACEMENT FILTER: Our Pet Pure(R) HEPA Replacement Filter is meticulously designed to tackle pet dander, hair, and odors with exceptional efficiency, capturing up to 99.97% of harmful germs, dust, pollen, mold spores, and other allergens as small as .1 micron. The perfect solution for pet owners seeking cleaner and fresher indoor air.

CERTIFIED EXTRA: With over 162 pleats and 13.0 square feet of filter media surface area, FLT5250PT, PET PURE(R) filter is infused with a powerful anti-microbial agent that actively inhibits the growth of mold, mildew, and odor-causing bacteria on the surface of the filter, ensuring that it remains clean and fresh for extended periods.

REDUCES ODORS: The activated carbon pre-filter helps to reduce unwanted odors from lingering pet smells while capturing large fibers, hair, and pet fur. Enjoy the company of your furry friends without worrying about allergens or unpleasant aromas.

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.

Keeps unwanted waste from harming your fish

Rids your tank of debris and also makes use of beneficial bacteria in your aquarium

Includes one foam block and one bag of BioMax, 2.1 ounces

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

BUY WITH CONFIDENCE This genuine AprilAire 1413 Upgrade Kit was designed and manufactured in the USA by AprilAire – the leader in indoor air quality solutions – to optimize the performance of your AprilAire Air Purifier Model 2140 or 2400 or Space-Gard Model 2400 Whole Home Air Cleaner

COMPLETE UPGRADE KIT: This kit contains all components needed to convert from AprilAire 401 MERV 10 Filters to Aprilaire High Performance 4-inch Filter Media available in a range of MERV options

ASSEMBLE IN MINUTES: Filter Frame System requires no tools, slides directly into your AprilAire or Space-Gard Whole Home Air Cleaner

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.

Replacement media for the Fluval C3 Power Filter

Performs the first and second stages of mechanical filtration

Filters out debris

MADE FOR ALL FILTRATION NEEDS: Along with providing a compact and easy-to-handle design, the nylon mesh filter bags help create a simple solution to aquarium canister filter media replenishment.

CLEAN, CRYSTAL-CLEAR WATER: In addition to trapping loose particulate matter, these mixed aquarium filter media bags help reduce harmful chemicals, toxins, foul odors, and to clear up discolorations, from your aquarium’s water. They also help reduce ammonia, keeping water inside your tank crystal clean!

HELPFUL INSTRUCTIONS: Please rinse thoroughly with cold water before placing in filter. Never use soap, as the residual soap particles can harm your fish. For best results, replace filter media every 4 – 6 weeks.

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 reducing and controlling toxic ammonia spikes and trapping floating particles for clear water (debris, excess food and waste)

Ideal for new and heavily stocked aquariums and use after medicating fish

Removes odor, colors, organic pollutants, Helps reduce and control ammonia and nitrate

For freshwater or marine environments

Extremely porous ceramic media for efficient biological filtration.

Generic pads for SUNSUN Canister filters HW-304B/404B/704B, HW-3000, Polar Aurora 525gph

4 pcs of sponge bio filter pads (1xCoarse, 2xMedium, 1xFine): trap most visible debris particles without restricting water flow. (Reusable after rinsed)

12 pcs of white floss pads: Filter out fine particles providing crystal clear water

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

Extremely porous ceramic media for efficient filtration.

Hollow design effectively distributes water flow and offer more surface area for filtration capacity.

Great for both fresh and saltwater aquariums

Dense Filter media provides superior mechanical filtration

Helps prevent obstructions in the biological media

Keeps your Aquarium water crystal clear!

Material: Polyester: Zipper Material: Plastic

Package contains: 5 white filter bags + 5 black filter bags

Filter bag size: 15cm*20cm/5.9"*7.8"

Replacement filter cartridges with a combination of carbon and zeolite

Chemical filter media removes pollutants and odors from aquarium water

Improves color and clarity of water and provides a healthy environment for your fish

Hole size: coarse, the hole measures 2mm, works for large filter media, allows water to flow through instantaneous; hose size: fine, works for very fine filter media

Good for use with bio balls, zeolite, ceramic media, rock, and crushed coral and any other aquarium filter media

Fit perfectly in a variety of filters including canister filters, power filters, sumps, wet/dry filters and pond filtration systems to hold media together and keep aquarium clean

Over 30 years of proven customer satisfaction with our green filter product.

No chemicals used in production! Safe for all fresh or saltwater fish, tanks & ponds.

Easy to cut with scissors to any size needed.

Chemical filter media that removes toxic ammonia as water passes over it

Provides a healthy environment for well-stocked freshwater aquariums

Controlling ammonia levels reduces stress on fish

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.

BONDED aquarium FILTER PAD: Use with any type of aquarium filter, canister or sump.

EXTRA DURABLE: Effectively traps small dirt particles to prevent clogging.

CUT TO FIT: Make a cardboard template to fit your filter and cut to fit as directed on the product packaging.