10 Best Saltwater Aquarium Filter of December 2025

• WITH ROTATING BIO-WHEEL: Patented Bio-Wheel technology provides excellent wet/dry biological filtration.
• MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment.
• COMPATIBILITY: Use with Marineland Rite-Size Filter Cartridges (see individual filter for sizing recommendations).
• FIVE SIZES: Available in 75 GPH, 100 GPH, 150 GPH, 200 GPH and 350 GPH sizes.
• age range description: All Life Stages

MarineLand

• QUIET & EFFICIENT: The Cascade 150 Power Hang-On Filter quietly delivers crystal clear water throughout the aquarium. This filter pushes water at 150 Gallons per Hour (GPH) for tanks up to 35 Gallons in size. It’s great for Freshwater and Saltwater aquariums.
• ACCOMMODATING: The adjustable flow knob allows for increased or decreased water flow at will, which is extremely helpful during feeding times, or use it as needed. The hang-on design is constructed for safe mounting. The lift tube extends between 7” (min) and 10.5” (max).
• EXTREMELY BENEFICIAL: This Cascade filter utilizes disposable, double-sided media cartridges that contain Activated Carbon and Poly Fiber Floss. The included cartridge traps floating particulate matter, removes harmful chemicals and toxins, clears up discolorations, and reduces foul odors from your aquarium’s water.
• REVOLUTIONARY: The Cascade 150 Power Hang-On Filter features a Bio-Sponge cartridge that optimizes colonization of anaerobic bacteria, and is independent from the first stage filter media. In addition, our Bio-Falls system enhances water oxygenation, and aids with removing ammonia and nitrate.
• OVERALL MEASUREMENTS: 6.75” (H) x 7.25” (W) x 4.75” (D).

Penn-Plax

• Ergonomic design and raised lip for smoother operation
• Single action dual locking clamps for quick release & attachment
• New center handle allows Main media stack to be removed
• Redesigned system – requires less pumps to engage
• The all-new 07 series marks the 7th incarnation in nearly 4 decades of fluval’s top selling canister Filter family Worldwide. Not only does the latest generation incorporate the power and reliability you’ve come to expect from the leader in aquatic filtration, but it also features several new performance upgrades that make it up to 25% quieter and more robust, energy-efficient, flexible and easier to use than ever before

Fluval

• Aquarium refiltration system that offers superior contact time with filter media and energy efficient pump lowers operating costs
• Quick and easy installation, we recommend that you clean aquarium filter every two weeks for maximum operation and efficiency
• Provides optimal mechanical, chemical, and biological filtrations
• Comes equipped with AquaClear Foam, Activated Carbon Filter and BioMax and Cycle Guard for superior water quality
• Filtration volume is up to 7 times larger than comparable fish tank filters
• Lifetime warranty; ideal for aquariums up to 50 gallons

Aqua Clear

• Ultra Quiet Betta Filter - this air-driven fish tank filter is a motor free filter, super quiet, can only hear the smoothing sound of bubble bursting in the water surface
• Effective Filtration - Mechanical pre-filter sponge captures debris and activated carbon for clean, clear aquarium water. Mini white bubbler stone produces constant, soft bubbles to agitate water, slow flow is great for betta fish, fry and shrimp
• Compact - Single small filter measures 4.1" x 0.8" x 7.6", recommend for 2-5 gallon fresh and salt water aquariums ; Dual filter measures 7" x 0.8" x 7.6", recommend for 6-10 gallon freshwater and saltwater aquariums
• Single sponge filter kit comes with 1 filter+ 3 packs filter cartridges + 1 white air stone+ 1 hanging clip. Dual sponge filter kit comes with 2 filters+ 6 packs filter cartridges + 1 white air stone + 2 hanging clips. Replace filter cartridge every 2-4 weeks depends on how many fish you house
• Easy to install - Connect aquarium filter with air tubing to air pump and ready to go (please note that 3/16 inch air tubing and air pump are excluded). Two suction cups and one hanger helps filter stays in place, no floating. Must be install vertically

hygger

• CUSTOMER AND PROFESSIONALS CHOICE - Our true DUAL DENSITY FILTER ROLL is the TOP CHOICE for cut to size aquarium filter material. Our NEW 3rd generation dual layer aquarium filter pads are even thicker than before. The top layer's open fiber construction traps LARGER PARTICLES while the bottom layer's dense fiber network TRAPS FINE PARTICLES - working together to produce crystal clear water in your aquarium.
• CUT TO FIT - Made in the USA! Our FilterFirst PREMIUM BONDED FILTER ROLL can easily be cut to any size needed and WILL SAVE YOU EVEN MORE MONEY over purchasing ready-made, pre-cut filter material. Our poly filter pad is PERFECT FOR FRESHWATER OR SALTWATER aquariums as a prefilter for wet/dry filters, sumps, canister filters, aquaponics system, and much more. You will receive one 12 inch by 72 inch by 3/4 inch thick filter pad.
• HIGH QUALITY AND DURABLE - Our filter floss aquarium pad is CONSTRUCTED OF DURABLE POLYESTER FIBERS bonded by our special resin to give it EXCEPTIONAL STRENGTH. The lower section of our pad is made by taking layers of resilient fibers through a process to tighten and entangle the fibers into a dense network producing a thin firm layer, perfect for removing fine debris. Our premium pads' consistent, reliable design gives SUPERIOR FILTRATION.
• IMPROVE WATER QUALITY- Place our FilterFirst DUAL ACTION POLYFILTER PAD in flowing water with the open weave side up to trap uneaten food, waste, decaying plants, detritus, and other large and fine floating particulates from the water. Changing filter media pads regularly will INCREASE WATER QUALITY by removing solid organic compounds before they continue to break down and add additional nutrients (which can increase algae growth) to the water in your fish tank.
• ENVIRONMENTALLY FRIENDLY - Our aquarium filter media roll is completely safe for all fish and other aquatic life. FilterFirst is made without dyes.

Aquatic Experts

• WITH ROTATING BIO-WHEEL: Patented Bio-Wheel technology provides excellent wet/dry biological filtration.
• MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment.
• COMPATIBILITY: Use with Marineland Rite-Size Filter Cartridges (see individual filter for sizing recommendations).
• FIVE SIZES: Available in 75 GPH, 100 GPH, 150 GPH, 200 GPH and 350 GPH sizes.

MarineLand

• CASCADE CANISTER FILTER FOR FRESHWATER OR MARINE ENVIRONMENTS: the Cascade 1000 (CCF3UL) has 3 media baskets, works at 265 GPH, and is recommended for Aquariums up to 100 gallons. It measures 11.5 x 17 x 10 inches.
• STATE OF THE ART FEATURES OF THE CASCADE 1000: ♦ flow valves that rotate 360 degrees for easy maneuvering in even the tightest aquarium cabinets ♦ large capacity media baskets allow aquarists to customize to their media needs ♦ push button primer allows for a quick and easy prime of the filter ♦ includes a spray bar, tubing, directional spout for customization, and filter medium.
• USE ANY COMBINATION OF MEDIA: floss pad for removing particulate matter and a course sponge that provides abundant surface for promoting bacterial growth (to remove ammonia and nitrites) included free with purchase
• SEE BELOW FOR DIAGRAM, THE CASCADE 1000 INCLUDES: ♦ Flow rate control cut-off valves ♦ two independent directional 360 degree rotating valve taps ♦ swimming pool – style hose clamps ♦ quick, easy, push button self-primer ♦ extra-large capacity stackable filter medium containers with lift-up handles ♦ floss pad and coarse sponge included, free with each canister filter ♦ easy lift alignment clamps that release vacuum suction ♦ sturdy tip-proof base
• FILTER MEDIA OPTIONS BY CASCADE AVAILABLE ON AMAZON, SOLD SEPARATELY: see below for details, sold separately is media such as: bio-floss, bio-sponge, bio-rings, filt-a-pack pro-z, and filt-a-pack pro-carb-z.

Penn-Plax

• 3-STAGE FILTRATION: Water flows through media layers to filter water and ensure a clean aquatic environment.
• FAST SETUP: Water-tight canister lid lifts up for easy removal.
• THREE SIZES AVAILABLE: Comes in 220 GPH, 360 GPH and 360 GPH sizes.
• MARINELAND FILTRATION PRODUCTS: Count on Marineland brand for the most reliable, technically advanced aquariums and accessories on the market.

MarineLand

• WITH ROTATING BIO-WHEEL: Patented Bio-Wheel technology provides excellent wet/dry biological filtration.
• MULTI-STAGE FILTRATION: Delivers mechanical, chemical and biological aquarium filtration to maintain a clean aquatic environment.
• COMPATIBILITY: Use with Marineland Rite-Size Filter Cartridges (see individual filter for sizing recommendations).
• FIVE SIZES: Available in 75 GPH, 100 GPH, 150 GPH, 200 GPH and 350 GPH sizes.

MarineLand