UNEAK 2-Pack Medium Premium Pre Filter Sponge Aquarium Intake High-Porosity Foam Roll Fish Tank Shrimp Beta Baby Fish Replacement Foam Cover Filtration Freshwater Saltwater 5-20 Gallons Easy to Clean

$10.99

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Price: $10.99
(as of Nov 09, 2025 21:58:06 UTC – Details)


The Uneak Aquarium Pre-Filter Sponge is an essential tool for any aquarium enthusiast dedicated to maintaining a clean and healthy aquatic environment. Crafted from premium, porous sponge material, this product effectively traps debris and particles before they reach your main filtration system, preventing clogs and reducing the workload on your primary filter. This not only extends the lifespan of your filter but also keeps your aquarium water crystal clear, promoting a healthier environment for your fish and plants. The package includes two sponges, each of which can be easily attached to the intake tubes of most aquarium filters, including canister, power, and hang-on-back filters. The universal design ensures compatibility with a wide range of filter models, making them a versatile and convenient addition to your setup. Moreover, the Uneak Pre-Filter Sponge acts as a protective barrier, preventing small aquatic creatures from being sucked into the filter intake—a great baby fish saver for tanks housing delicate species such as fry, shrimp, or other small invertebrates. The Uneak Aquarium Pre-Filter Sponge is not only effective but also low maintenance and reusable, offering excellent value for your investment. The sponge cover can also be used to dampen the outflow, making the water more stable for sensitive species like bettas. The cylinder sponge foam prolongs the life of the pump unit and boosts mechanical filtration by keeping solid waste from entering the filters. Additionally, this pre-filter sponge provides both mechanical and biological filtration, contributing to a balanced and thriving aquatic ecosystem. To clean, simply rinse the sponge in tank water during routine maintenance to remove trapped debris. This simple upkeep ensures the sponge remains functional while retaining the beneficial bacteria that contribute to biological filtration in your tank. Each package comes with two durable sponges, designed to withstand multiple cleanings, providing long-term service and making it a cost-effective solution for enhancing your aquarium’s filtration system. Whether you’re a beginner or an experienced aquarist, the Uneak Aquarium Pre-Filter Sponge is a smart and affordable way to ensure your aquatic pets enjoy the best possible conditions in a clean and safe environment.
Product Dimensions ‏ : ‎ 2.36 x 2.36 x 3.15 inches; 0.64 ounces
Item model number ‏ : ‎ MIS02
Date First Available ‏ : ‎ August 24, 2024
Manufacturer ‏ : ‎ UNEAK
ASIN ‏ : ‎ B0DC6FBFJ4
Best Sellers Rank: #18,735 in Pet Supplies (See Top 100 in Pet Supplies) #162 in Aquarium Filter Accessories
Customer Reviews: 4.6 4.6 out of 5 stars 163 ratings var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });

Dimension: 3.15” x 2.36” (80mm x 60mm), the inside hole diameter is 0.6” (15mm); for a snug fit, check the size you need carefully before placing an order.
Lifesaver: Keeps baby fish / fry, shrimp, and snails from getting sucked into hob filters, power heads or canister filters by simply putting a pc of this pre-filter sponge over the intake.
Improve Filtration: Does a good job in catching flake fish foods, plants and any other large particles floating in the water keeping the tank cleaner and last longer between cleanings.
Maintenance: Rinse the sponge roll periodically based on the bio load of your aquarium tank. The material holds up well to being rinsed and reused and allows great water flow.
High Water Permeability: Premium-quality sponge foam with excellent water flow for optimal filtration in both freshwater and saltwater fish tanks.
Effective Filtration: Coarse pre-filter foam helps to trap large debris, providing better filtration and cleaner water for your aquarium.
Compatible with Major Brands: Ideal replacement for popular fish tank filters, ensuring a perfect fit for your aquarium system.
Easy to Clean & Maintain: Designed for hassle-free maintenance, this pre-filter sponge foam is easy to clean and ensures long-lasting performance for clear water filtration.
Includes: 2 pcs of pre-filter sponge (Note: The hole doesn’t go all the way through the sponge.)

Customers say

Customers find the prefilter sponge works well for small tanks and effectively protects baby shrimp and fry. The product is easy to install, clean, and fits perfectly, with one customer noting it keeps larger debris from entering the filter box. While some customers find it the correct size, others mention it’s a bit large.

8 reviews for UNEAK 2-Pack Medium Premium Pre Filter Sponge Aquarium Intake High-Porosity Foam Roll Fish Tank Shrimp Beta Baby Fish Replacement Foam Cover Filtration Freshwater Saltwater 5-20 Gallons Easy to Clean

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  1. Rev. Marvel

    Exactly what I needed for my Aqueon Quiet Flow 20!
    I needed a pre-filter sponge for my Aqueon Quiet Flow 20 that would protect my neocaridina shrimp, but not interfere with the flow since I have it set up for hillstream loach. The filter is on a far side of the tank to create a river effect, but with more peaceful water areas on the other side for the shrimp and guppies. I haven’t had any berried shrimp yet, but hopefully this will be fine enough to protect any future juvenile. It is a courser sponge material, and it doesn’t get clogged up like the finer foam can. The young shrimp enjoy munching on what it catches, and they can swim away with no problems. It fit the intake perfectly, and was easy to install. I’ll be sticking to this one as long as the juvenile shrimp survive!

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  2. Glenn Draper

    The best prefilter sponges I have found for my Aquaclear 110.
    These prefilter intake sponges work great. They are somewhat coarser than the sponges they replaced but need cleaning much less often while still keeping my fry out of the large filter inlet on my Aquaclear 110 filters. The large size works well in my 75-gallon tank. They are easy to remove and reinstall and rinse out easily. I would buy these again.

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  3. Mark A. McKenzie

    A bit large but effective
    A bit large in circumference. Required rearranging hardscape to satisfy overall asthetics of the 75 gallon tank. Inside cavity size just right for Fluval 304 but did require a zip tie for G3 lift tube. HOWEVER does a great job of prefiltering. More than doubled change interval for G3 mechanical filtration element while flow rate for both filters have remained constant for the 2 months in use without requiring cleaning of this item. Never hurts to have more surface area for beneficial bacteria too.

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  4. OctoberPageTurner

    Great for intake filter
    Helps protect intake tubes from sucking up large debris and clogging like leaves, snails or fry.

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  5. BMG

    Does the Job
    I use these pre-filters to replace the ones that came with my Aquaclear AC 50 filters. They are larger, and a bit more coarse than the AC 50 ones, which I prefer. They are made of the same type of material as the AC 50 pre-filters and fit the intake tubes perfectly.

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  6. Skyler

    Works for micro/nano
    Worked for my 2.2 gallon shrimp tank! I was worried because I didn’t see any reviews with a tank/filter this small, but it worked out perfectly. No baby shrimp will be at risk of getting sucked up the intake now!

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  7. SHARON SISTRUNK

    household use
    it a great product

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  8. Andrea D.

    Ideal
    These are great to have on the filters. Coarse sponge helps to keep fry from getting into pumps.Promotes cleaner tanks

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    UNEAK 2-Pack Medium Premium Pre Filter Sponge Aquarium Intake High-Porosity Foam Roll Fish Tank Shrimp Beta Baby Fish Replacement Foam Cover Filtration Freshwater Saltwater 5-20 Gallons Easy to Clean
    UNEAK 2-Pack Medium Premium Pre Filter Sponge Aquarium Intake High-Porosity Foam Roll Fish Tank Shrimp Beta Baby Fish Replacement Foam Cover Filtration Freshwater Saltwater 5-20 Gallons Easy to Clean

    $10.99

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