HITOP Dual Outlet Aquarium Electric Air Pump, Whisper Adjustable Fish Tank Aerator, Quiet Oxygen Pump with Accessories for 20 to 100 Gallon

I got this because I have a 20 gallon long tank river set up. It is not noisy! My panda loaches and white cloud minnows loveee playing in the bubbles. The ability to adjust the bubbles is nice. Great product and very easy to put together. Worth it!

This air pump does the job and is a very good price. It's pumping the expected amount of air through its two air stones into the aquarium. It's quiet and can be barely heard even when there's no other noise going on. The amount of air can be easily adjusted to accomodate different tank sizes and so on.

It didn't take long to have it ready to roll.In short, it is a battle tricycle, beautiful and resistant. For the price it has, I think the quality is excellent and it feels like it will last a long time. Highly recommended as a gift! It's a very complete bomb . For the price it has, the construction quality feels solid and the performance is constant. It keeps my tank perfectly oxygenated without spending too much.

Great little pump. I needed something that would pump a decent amount of air for a main feature in my tank. This does extremely well in creating the air that I need. The more air you turn it up the pump does make a little more noise. The lower you restrict the noise, the quieter the pump gets. I ended up sticking it on some foam pad because no matter what I did seem to get a little bit of a vibration hum noise from it.

Love this air pump, no noise at all. fish is happy in the tank! it is pretty small, not requiring a large space.

Perfect! I just got a 20 gallon tank and I needed a pump strong enough for my air stone. It even comes with two ball air stones that I didn't realize! I'd say I wish it came with something to block the other tube if you don't want to use two lines or combine them into one but otherwise it works great and amazing price. It's very quiet also! Doesn't have to be put up higher than the tank. I have it next to the tank. Instructions are easy to follow.

It works pretty good and it's quite but wish it had a little more power probably would save my money and get a better one but if you need it for a one bucket of water it should get the job done

I’ve noticed it’s not as quiet as my other one and gets pretty hot just from being on for 10min. (Seller contacted me and is getting me a refund, I probably just got a faulty one but overall great customer service!)

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Okay so, looking at all the other reviews I noticed quite a few who were disappointed with this purchase. Usually I don't post reviews despite being pretty much a daily Prime shopper. So, long story short, this is most definitely the best band for your buck. I've used every pump on the market, for the money, this is a really, really good pump. If you want an Eheim, buy one. I'm using this one in conjunction with said pump. Eheim 100 to be specific. The reason for price variance is of course the longevity of both these products. However, both pumps will need to be rebuilt at some point. When it comes time for my Eheim to be rebuilt it's worth it. This Hitop probably can just be replaced. The air flow is outrageous, better than my Eheim. But again different pumps. With all the accessories you really can't go wrong here. I've read also disappointed regarding the provided air lines. They are absolutely fine. Remember, nothing mechanical last forever without maintenance. I really, really hope this Hitop lasts me years! If it doesn't, I'll purchase a new one. Buy this pump if you're looking for a quiet, powerful pump with all the accessories included. I actually got more parts than listed. I hope this helps perspective buyer's. Best bang for your buck, hands down! Sincerely, The Red Tortoise

I like this air pump. I currently have two lines coming from it. It works really well. It's a bit noisier than my last pump. These air stones are rather loud as well. But I do like the round air stones. I like the effect it gives. I like the lines that comes with, very easy to work with. Despite being a bit louder than my other pump, I would purchase this pump again

Have it in my sons aquarium since purchase and no complaints here. Not loud at all either.

Decent product and excellent customer service. Ordered one during Amazon prime day below $20. Receive it quickly. The first day it ran silently and it could beat Eheim 200 air pump in noise level. But after running for 10 days it had some kind of level of noise. I contacted the seller’s customer service and sent them the video clips and they issued full refund immediately and ask me to keep the pump. This is a top excellent customer service from Amazon. The same day I ordered Hitop 4W Black Shark Aquarium Air Pump with 3.5x2 L/min air flow which also has a suspension and dual shell as a muffler to noise. The new Hitop 4W Black Shark Aquarium Air Pump is running like a charm, <37 db, could beat Eheim 400 air pump. let’s see as time goes by. This is definitely a good company making serious products and has a good service backup. They could beat all the major brands like pumps sold in local pets store. I do wish they could improve the quality of accessories like air stone, air hose, check valves and the packaging. This is also an example that Amazon still has some good sellers with quality products with decent price.