Description
At a Glance
Designed for home, garage, workshop, and commercial use, this VEVOR Aquarium Filter Cotton Filter Cotton for 2.5/3.5 gal features three-layer filtration, easy replacement, and replacement cycle. Key specs: Color: Filter Frame (Black) + Biological Filter Sponge (White); Main Material: Bracket; Net Weight: 0.51 lbs / 0.23 kg; Set Quantity: 8 pcs; Filtration Function: Carbon Filtration + Biological Sponge Filtration.
Three-Layer Filtration System for Clean and Clear Water
The VEVOR aquarium filter replacement features a three-layer design, providing your fish with the clearest, healthiest water possible. The first layer traps food particles, dust, and debris before they spread through the thick bio-filter cotton. Activated carbon is used in the second layer to remove odors, discoloration, and harmful chemicals. The last layer smooths out the water and gives it a crystal-clear shimmer, enhancing the aquarium’s appearance.
Excellent Filtration Performance for Healthy Fish with VEVOR Aquarium Filter Replacement
Healthy fish require clean water. The VEVOR filter aims to remove dirt, residual food, and fish waste, helping to keep your tank even cleaner. It contains a balance of nutrients and preserves the beneficial microorganisms, while keeping fish away from toxins. This balance helps the filter maintain natural water chemistry, which prevents cloudiness and unpleasant odors.
Easy Replacement and Hassle-Free Installation
VEVOR aquarium filter replacement does not require tools or technical expertise to change your filter. It only takes a few simple steps: remove the pump cover, take out the old filter, and put in the new one. The replacement is very secure, and it directs water through each layer, providing maximum filtration power.
Long-Lasting Value with 8-Piece Replacement Set
The kit includes eight high-quality filters, guaranteeing good results for up to six months. Replacing one filter every four weeks provides up to eight months of clean water for your fish. It is convenient, affordable, and ideal for maintaining the aquarium regularly.

Performance & Applications





Free US Shipping and Easy Returns
Every order ships free from a US warehouse, usually within 1-3 business days, and arrives in 2-5 business days. Your purchase is covered by 30-day returns plus manufacturer warranty for peace of mind.



















Teri (verified owner) –
Consumer
Exactly what I needed. Quick shipment. Very happy to have found Vevor!
kevin (verified owner) –
Great tank for kids, adults, and the fish that’ll live there
Great tank! We started with a rounded 3 gallon and soon after upgraded to this. The fish seem to like this shape more! Perfect size for a few fish to have a nice home, we currently have two tetras, a corydora, small tetra, and a bottom feeder. Could probably get 1-2 more but their all very happy at this number. Filter works great and the whole system is easy to care for. Not loud and just a sweet little water sound, like a mini fountain. Great for kids, or adults that want to get into fish tanks.
snickers (verified owner) –
Crystal Clear Aquarium
The kit was a birthday present for my husband. Set up was easy. Everything you need is included (minus the gravel and decorations, of course). Filter is the quietest aquarium filter I’ve ever heard. Heater kicks on and off like it should. The lights brighten everything beautifully. It’s been set up for one month, with one filter pad change, and as you can see from pics, water is crystal clear. I highly recommend this product.
rta (verified owner) –
Well made, good size, great filter
We bought this when we needed to upgrade the tank on a carnival goldfish – you know the ones that either live for five seconds or twenty five years. Said goldfish arrived unannounced after an afternoon with the grandparents. Anyway, after looking in store, we were put off by the cost because we could not find a tank that had a powerful enough filter that was also in the size we were wanting. We found this one and took a chance, because shipping a glass tank seemed sketchy, but it turned out great! The tank and box both arrived in good condition, the seams on the tank are well sealed, the top fits nicely, and all in all we were pleased with the quality and look. The heater is a nice addition and an often overlooked item for fresh water fish, so having it included was a bonus, although, its suction cups don’t hold super well. We have had to re-set it once since we bought it just over a month ago. The filter can sound buzzy if you don’t have the filter latched on just right, but it is as simple as a gentle tap. As you can see, it fit the large bubbler ship nicely, with enough room for some low artificial plants and seashells. We opted for the sand (which needed rinsed MANY times) and it hasn’t been an issue at all for the filter or the sand, meaning the filter doesn’t seemed overly worked by the organic material and the water output doesn’t disturb the sand. Solid buy for us.
rta (verified owner) –
First fish tank
The tank came in perfect condition and packing was amazing since it had glass! the tank is the perfect size for my kid to handle his first fish! everything was easy to put together and very easy for any 10 year old to handle on their own!