The Best Box Aquarium Filters of 2023

🐢Safe material:Made of ABS plastic,strong , quiet and durable.

🐢Low noise:motor running will not bring noise, will not affect the life and mood.

🐢Adjustable flow valve:The water flow is adjustable, dissolved oxygen for creature growing.Suitable water flow, fit for fish bowl and grass cylinder,so it satisfy your various demand.

🐢3 in 1 Multi-function filter:Aquarium filter has the function for filtration,oxygen aeration and clearing oil-film, a variety functions provide by ultra-thin design filter, perfect for your fish tank.

🐢Hanging on filter with filter plate design:can increased filter strage space,also clean up aquarium fish feces, create a clean environment for your lovely fish.（Note: Turtle tank is not recommended）

【FISH TANK FILTRATION】Efficiently clean and filter water, help water circulation, help clean water, provide healthy water for your aquarium.It can be used for fish tank filtration, oxygenation, and removes surface oil stains; without changing the water, it helps you to keep fish tank water clean.

【INCREASE OXYGEN】The waterfall design increases the contact between water and air, achieves the effect of increasing oxygen. At the same time, it also increases the ornamental of the fish tank.

【THREE-LAYER FILTRATION】The filter box and the partition plate divide the filter into three layers, and different layers can be placed with corresponding filter materials, which can provide effective filtering effects and improve the ecological environment of the fish tank and turtle tank.

【SIZE】The size of the Aquarium Filter Box is approximately 9.5”Lx4.2”Wx3.8”H.Our product also comes with a transparent soft pipe (length: 60cm, inner diameter: 12mm).

【EASY TO INSTALL】The waterfall type fish tank filter box is made of high-quality hard plastic material, which is strong and durable. Quickly filter the water and give your pet a clean home.The water filter can be hung on the fish tank, without tool installation, reasonable design, easy to use.

SIMPLE AND EFFICIENT: the filter is simple and efficient for all small aquariums and fish bowls, a simple design and efficient filtering, utilizing the ½” lift tube

BOTTOM FILTER SYSTEM: fits perfectly in the corner, or anywhere else on the bottom of your tank. Measures approximately 3.25”L x 2.75”W

SHOP PENN PLAX FOR ALL YOUR PET’S NEEDS: Penn Plax is a manufacturer and distributer of top pet supplies, who specialize in creating excellent pet products for animals both great and small

Age range description: All Life Stages

Ideal for Pond, Aquarium, Freshwater, and Marine environments.

Intake hole: 1.10 inch (approx.). * Diameter: 4.13 inch (approx.)

Length: 5.91 inch (approx.). * Inner Length: 4.33 inch (approx.) -- Intake hole is not all the way through.

These coarse open cells on our bio sponge filter are designed to increase flow rate, trap large particles without harming to small fish, and it prevents premature clogging thus further allows maximum de-nitrification in filter systems.

These pre filter sponges are designed for canister filters and Aquaclear 70 and 110 filters. Can also work for Aqueon and other larger hang on back filters as well.

SUBMERSIBLE FILTER: Flat box filter prevents pump from clogging and keeps pond water clear and clean.

PARTS INCLUDED: Coarse and fine foam pads, tubing and three hose fittings.

CONVENIENT: Attach to various pump inlets – easy to detach for cleaning.

USAGE: Ideal for use with ponds up to 500 gallons.

Corner filter provide both mechanical and bio filtration, and supplying the water with much needed oxygen; Reduces noise from air pump and consumes lowest wattage

Easy to set up & clean: simply install an airline into the unit and just turn on the air pump; Open the box and simply rinse and squeeze in tank water

Safe for fish:excellent for small size fish like dwarf cichlid, guppy, killifish etc., or for hatcheries, maternity tanks, and fry tanks, as the filter produces minimal current and has almost no way to suck the fish through the filter

Dimension：4"L x 3.125"W x 3.25" to 6"H; Recommend tank size: up to 20 gallon

Includes: one box filter included media as shown in picture

With multi-layer sponge filters, this corner filter combines physical and biochemical filtration for your fish and increases the oxygen solubility

Quiet filtering system. Especially good for breeding small fish. Efficiently remove toxic waste and maintain clean water for your fish

Just take out the sponge and rinse well when it becomes dirty

Each unit requires an air pump and airline tubing to operate together (sold separately, not included)

Dimensions: 2.75"x 3.15"x 11". Max tank size: 40 gal

Uniquely designed with 3 intake vents to provide maximum efficiency

Great for breeder tanks, isolation tanks and for the beginner aquarists

Accommodates filtering needs up to 100-gallon/ 378-litre

New 2 in 1 Underwater Air Driven Oxygen Releases Aquarium Fish Tank Pond Biochemical Stone Sponge Corner Filter

New item with high quality

Uniquely designed with 3 intake vents to provide maximum efficiency

Great for breeder tanks, isolation tanks and for the beginner aquarists

Accommodates filtering needs up to 45-gallon/ 170-litre