HITOP Upgraded 2W Adjustable Single Outlet Aquarium Air Pump, 2.8L/M Mini Quiet Fish Tank Aerator with Accessories, Oxygen Pump for Small Tank up to 40Gallon
$11.97
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Product description
Whisper-quiet Aquarium Air pump 
Upgraded internal structure to reduce noiseThickened ABS shell can greatly absorb the internal noise of the pump4 Rubber feet can further cushion vibration
Multiple Installation Methods 
Detail Designs for this Nano Aquarium Air Pump 
Compact but Powerful
Very mini in size, but with max air volume of 44GPH, powerful enough for 1-40gallon fish tanks.
Adjustable Air Volume
Unlike other single outlet fish tank air pump, you can rotate the black knob to adjust the air volume of this aquarium bubbler easily.
Detail Designs for this Nano Aquarium Air Pump 
Single Outlet
One outlet makes the air volume more concentrated, and it is stress-free to run a small sponge filter or perform hydroponics.
Air Filter Cotton
Can filter out impurities in the input air, making the air bubbles provided to the fish tank cleaner.
Complete Accessories, Convenient to Use 
Different Model and Power to Choose
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Customer Reviews
4.4 out of 5 stars 2,610
4.4 out of 5 stars 2,610
4.5 out of 5 stars 9,204
4.3 out of 5 stars 1,656
4.5 out of 5 stars 3,004
Price
$11.97$11.97
$8.99$8.99
$14.97$14.97
$14.97$14.97
$20.97$20.97
Power
2W
2W
3W
3W
4W
Max air flow
2.8L/Min
1.5L/Min
2*2.5L/Min
2*2.5L/Min
2*3.Fish tank size5L/Min
Fish Tank Size
1-40Gallon
1-15Gallon
Up to 100 gallon
Up to 100 gallon
20-200Gallon
Product Size
Mini 3.7in
Mini 3.5in
5.1in
4.3in
6.2in
Air Pressure
17kPa
16kPa
18kPa
18kPa
22kPa
Product Dimensions : 3.7 x 2.2 x 1.6 inches; 11.29 ounces
Item model number : 204S
Date First Available : April 22, 2025
Manufacturer : Haisen
ASIN : B0F5WKQKBZ
Best Sellers Rank: #8,656 in Pet Supplies (See Top 100 in Pet Supplies) #15 in Aquarium Air Pumps
Customer Reviews: 4.4 4.4 out of 5 stars (2,610) 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); } }); });
Compact but Powerful: Nano Size: 3.7*2.2*1.6in, Power: 2W, Air Pressure: 17kPa, Max Air Volume: 44GPH. Power Cable Length: 5Ft. This single outlet air pump is powerful enough for 1-40 gallon fish tanks.
Adjustable Air Flow: Unlike other single outlet air pump aquarium, you can rotate the knob on this air pump to adjust the air volume of this aquarium bubbler easily, which makes this air pump much more convenient to use, providing the appropriate amount of air bubbles for different kinds of fish.
Whisper-Quiet Aquarium Air Pump: Upgraded internal structure to reduce noise from the root, and thickened ABS shell can greatly absorb the internal noise of the pump, 4 rubber feet can greatly cushion vibration of the operating air pump, making this air pump really silent, only the sound of air bubbles can be heard.
High Efficiency, Low Consumption: Consuming only 2W of power yet achieving a maximum air volume of 44GPH(2.8L/Min), only one outlet to make the air volume more concentrated, and it is stress-free to run a small sponge filter or perform hydroponics.
Multiple Installation Methods: Small in size, this nano air pump is very easy to be placed anywhere near the fish tank. Equipped with hang hole, the pump can also be hung on the wall or curtains. Note: not recommend to hang it on the glass of the fish tank, and no hooks are included.
Package Including: Come with everything you may need when using this aquarium aerator. Including soft air tube(5Ft)*1, air stone*1, check valve*1 to prevent water flowing back, suction cup*1 for fixing air tube, extra air regulating valve*1 to adjust the air volume more finely, air filter cotton*1 to filter the pumped air.
13 reviews for HITOP Upgraded 2W Adjustable Single Outlet Aquarium Air Pump, 2.8L/M Mini Quiet Fish Tank Aerator with Accessories, Oxygen Pump for Small Tank up to 40Gallon
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$11.97
Amelia –
Love it
Works perfectly! Easy to put together an I love how you can change the airflow to the fishes liking! Super simple super easy! The speed like I said depends on how you use it set up but you can even put it super low or honestly high! And it’s super quiet and I love that because it’s in my room!
Jake Madison –
Great value NO NOISE!
Nice and quiet, comes with plenty of hose and works wonderful in my small 10gal tank. Would recommend can’t beat the price!
Megrier –
Performs well & only hear motor if your super close!
Excellent little motor! I was surprised by the close up sound on my video, I don’t hear any sound while I’m in the kitchen a short distance away from tank. Very easy to assemble, good directions. I like the bubble adjustment for perfect airflow. I bought due to smaller size, price & sound video’s. I would buy again.
Mikey –
Loud 🙁
It is not very quiet, and in fact makes more noise than my 10W air pump, even after trying to cushion it with a folded washcloth.That said, it works just fine for a single attachment, and it comes with everything you need to set it up, so thats helpful.
Swole –
The best air pump I’ve used for my 10gallon tank. Whisper quiet compared to others
I had a tiny 5-10gallon air pump for my 20gallon tank. To be fair it worked but eventually broke.I had a couple of old pumps almost 20 years old and they worked. However, they were very very loud. I had to place them on top of thick foam and it still drove me nuts but eventually I got used to it.I was making an order and I just ordered a cheap one based off reviews. I didn’t need an ultra powerful air pump. just something strong enough for at least 10 gallons and most importantly, quiet.As soon as I powered up the pump i thought it was broken. Nope it was working perfectly fine and it’s powerful. I would say it’s a tad bit on the strong side for a 10gallon. Way too much if your fish needs calm waters.The rubber feet are designed very well and are extremely soft. It really is silent. I still put it on top of my foam though.Amazing piece of kit. Comes with everything you need. The only question is, how long will it last?other than that don’t hesitate to purchase!
Donnette –
Great
Worked great with my Groot bubbler!
watchingTV –
Works great until it doesn’t
UPDATE: I was using this pump to aerate water before putting it into my hydro system. While moving the tube around it accidentally kinked and the pump immediately popped and that was it. No more bubbles. Junk. Works as advertised. All the parts needed to make bubbles.
IK –
Quiet, Complete, and Perfect for a Small Tank
I got this Air Pump for my little 5-gallon tank and it’s perfect. The main selling point for me was the promise of it being quiet, and it absolutely delivers. You mostly just hear the gentle bubbling of the air stone—not the loud hum of the motor, which is a huge win.It’s also fantastic that it comes as a complete kit. You get the pump, the tubing, an air stone, a check valve, and even a regulating valve so you can easily turn down the flow if it’s too much for a smaller setup (like a 5-gallon).If you’re looking for a simple, quiet air pump for a small to medium tank without having to buy all the accessories separately, this is a winner.
yvebalance –
Incroyable à ce prix livrer à la porte comprend tubulure , anti retour, ajusteur pression, il est vraiment silencieux et fait parfaitement le travail pour ma petite aquarium je dois meme réduire le débit quand même assez, impossible de se prononcer sur sa durabilité par contre je viens de l’installer mais bien hâte de voir, mais je dirais qu’à ce prix ça semble être vraiment un bon achat
Jason –
Works great lots of power
Emmanuelle Lachance –
Si on le met sous une guenille, là on ne l’entend pas, si on le met direct sur le meuble, on entend le bruit. Ça fait le travail juste vérifier plusieurs fois par jour car le tube est difficile à entrer l’un dans l’autre et parfois ça glisse et donc cesse de fonctionner .c’est pas grave j’ai la chance de rester à la maison, et je suis satisfaite du produit pour le prix.
Dyusha –
Very solid pump. Great for Bettas as has flow adjustment valve. A bit noisy but only when something is touching it (like cable, etc.) but overall has very acceptable noise level. Tubing without any issue and is long enough.
Amber Muller –
I initially loved this air pump. It was quiet and effective. It’s motor didn’t last long though and stop producing enough air to make bubbles after about 8 months ☹️